micrograd_lecture.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "1a957a54-d2be-4886-a744-1bdd837b8c0d",
   "metadata": {},
   "outputs": [],
   "source": [
    "import math\n",
    "import numpy as np\n",
    "import matplotlib.pyplot as plt\n",
    "%matplotlib inline"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "9f589929-d247-4b0f-9f1d-0db40f87ca69",
   "metadata": {},
   "outputs": [],
   "source": [
    "def quadratic_function(x):\n",
    "    return -x**2 + 3*x + 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "bb2c8cf4-674f-4cbf-aa5b-cd5e07bd0f38",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-2.0"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "quadratic_function(4.0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "a7b0ef1f-8296-4360-b61c-3a71e0b10e6c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[<matplotlib.lines.Line2D at 0x7febc8566dd0>]"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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",
      "text/plain": [
       "<Figure size 640x480 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "xs = np.arange(-5,5,0.5)\n",
    "ys = quadratic_function(xs)\n",
    "plt.plot(xs, ys)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "472ec406-8e80-4f83-8f91-7221b99ec78f",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Approximate derivative at x=0.0: 2.999999981767587\n"
     ]
    }
   ],
   "source": [
    "h = 0.00000001\n",
    "x = 0.0\n",
    "approximate_derivative = (quadratic_function(x + h) - quadratic_function(x)) / h\n",
    "\n",
    "print(f\"Approximate derivative at x={x}: {approximate_derivative}\")\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "90ee34c2",
   "metadata": {},
   "outputs": [],
   "source": [
    "#this is taking the derivatives with respect to multiple variables for a function with multiple inputs \n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "68e3ec0a-509d-4614-ac15-8c97632ef5a1",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'computation_graph.png'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from graphviz import Digraph\n",
    "import math\n",
    "\n",
    "class Value:\n",
    "    \"\"\" stores a single scalar value and its gradient \"\"\"\n",
    "\n",
    "    def __init__(self, data, _children=(), _op='', label=''):\n",
    "        self.data = data\n",
    "        self.grad = 0.0\n",
    "        self._backward = lambda: None\n",
    "        self._prev = set(_children)\n",
    "        self._op = _op\n",
    "        self.label = label\n",
    "\n",
    "    def __repr__(self):\n",
    "        return f\"Value(data={self.data}, grad={self.grad})\"\n",
    "\n",
    "    def __add__(self, other):\n",
    "        other = other if isinstance(other, Value) else Value(other)\n",
    "        out = Value(self.data + other.data, (self, other), '+')\n",
    "\n",
    "        def _backward():\n",
    "            self.grad += 1.0 * out.grad\n",
    "            other.grad += 1.0 * out.grad\n",
    "        out._backward = _backward\n",
    "\n",
    "        return out\n",
    "\n",
    "    def __mul__(self, other):\n",
    "        other = other if isinstance(other, Value) else Value(other)\n",
    "        out = Value(self.data * other.data, (self, other), '*')\n",
    "\n",
    "        def _backward():\n",
    "            self.grad += other.data * out.grad\n",
    "            other.grad += self.data * out.grad\n",
    "        out._backward = _backward\n",
    "\n",
    "        return out\n",
    "\n",
    "    def __pow__(self, other):\n",
    "        assert isinstance(other, (int, float)), \"only supporting int/float powers for now\"\n",
    "        out = Value(self.data**other, (self,), f'**{other}')\n",
    "\n",
    "        def _backward():\n",
    "            self.grad += other * (self.data ** (other - 1)) * out.grad\n",
    "        out._backward = _backward\n",
    "\n",
    "        return out\n",
    "\n",
    "    def __rmul__(self, other): # other * self\n",
    "        return self * other\n",
    "\n",
    "    def __truediv__(self, other): # self / other\n",
    "        return self * other**-1\n",
    "\n",
    "    def __neg__(self): # -self\n",
    "        return self * -1\n",
    "\n",
    "    def __sub__(self, other): # self - other\n",
    "        return self + (-other)\n",
    "\n",
    "    def __radd__(self, other): # other + self\n",
    "        return self + other\n",
    "\n",
    "    def tanh(self):\n",
    "        x = self.data\n",
    "        t = (math.exp(2*x) - 1)/(math.exp(2*x) + 1)\n",
    "        out = Value(t, (self, ), 'tanh')\n",
    "\n",
    "        def _backward():\n",
    "            self.grad += (1 - t**2) * out.grad\n",
    "        out._backward = _backward\n",
    "\n",
    "        return out\n",
    "\n",
    "    def exp(self):\n",
    "        x = self.data\n",
    "        out = Value(math.exp(x), (self, ), 'exp')\n",
    "\n",
    "        def _backward():\n",
    "            self.grad += out.data * out.grad \n",
    "        out._backward = _backward\n",
    "\n",
    "        return out\n",
    "\n",
    "    def backward(self):\n",
    "        topo = []\n",
    "        visited = set()\n",
    "        def build_topo(v):\n",
    "            if v not in visited:\n",
    "                visited.add(v)\n",
    "                for child in v._prev:\n",
    "                    build_topo(child)\n",
    "                topo.append(v)\n",
    "        build_topo(self)\n",
    "        #Why do we have to re-initialize the gradient here\n",
    "        self.grad = 1.0\n",
    "        for node in reversed(topo):\n",
    "            node._backward()\n",
    "\n",
    "def trace(root):\n",
    "    nodes, edges = set(), set()\n",
    "    def build(v):\n",
    "        if v not in nodes:\n",
    "            nodes.add(v)\n",
    "            for child in v._prev:\n",
    "                edges.add((child, v))\n",
    "                build(child)\n",
    "    build(root)\n",
    "    return nodes, edges\n",
    "\n",
    "def draw_dot(root):\n",
    "    nodes, edges = trace(root)\n",
    "    dot = Digraph(format='svg', graph_attr={'rankdir': 'LR'})  # LR for left-to-right graph\n",
    "\n",
    "    for n in nodes:\n",
    "        uid = str(id(n))\n",
    "        dot.node(name=uid, label=\"{ %s | data %.4f | grad %.4f }\" % (n.label, n.data, n.grad), shape='record')\n",
    "        if n._op:\n",
    "            dot.node(name=uid + n._op, label=n._op)\n",
    "            dot.edge(uid + n._op, uid)\n",
    "\n",
    "    for n1, n2 in edges:\n",
    "        dot.edge(str(id(n1)), str(id(n2)) + n2._op)\n",
    "\n",
    "    return dot\n",
    "\n",
    "# Define the function with multiple inputs\n",
    "def function(a, b, c):\n",
    "    return a**2 + b**2 + c**2 + 3*a*b + 2*b*c + a*c\n",
    "\n",
    "# Create Value objects for each input\n",
    "a = Value(1.0, label='a')  # Example value for a\n",
    "b = Value(2.0, label='b')  # Example value for b\n",
    "c = Value(3.0, label='c')  # Example value for c\n",
    "\n",
    "# Compute the function value\n",
    "d = function(a, b, c)\n",
    "d.label = 'd'\n",
    "\n",
    "# Perform backpropagation to compute the gradients\n",
    "d.backward()\n",
    "\n",
    "\n",
    "# Visualize the computation graph\n",
    "dot = draw_dot(d)\n",
    "dot.render('computation_graph', format='png', view=True)  # Save and view the graph\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0adc12e1",
   "metadata": {},
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "id": "47421b5f-3c42-4293-9952-615584657061",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Value(data=9.3, grad=0.0)\n"
     ]
    }
   ],
   "source": [
    "scalar = Value(3.0)\n",
    "scalar2 = Value(6.3)\n",
    "print(scalar.__add__(scalar2))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "3661211e-7fb7-479f-b7dc-17731bb226a9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'computation_graph.png'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from graphviz import Digraph as gd\n",
    "import graphviz\n",
    "g = graphviz.Graph(format='png') \n",
    "def trace(root):\n",
    "    nodes, edges = set(), set()\n",
    "    def build(v):\n",
    "        if v not in nodes:\n",
    "            nodes.add(v)\n",
    "            for child in v._prev:\n",
    "                edges.add((child, v))\n",
    "                build(child)\n",
    "    build(root)\n",
    "    return nodes, edges\n",
    "\n",
    "def draw_dot(root):\n",
    "    nodes, edges = trace(root)\n",
    "    dot = Digraph(format='svg', graph_attr={'rankdir': 'LR'})  # LR for left-to-right graph\n",
    "\n",
    "    for n in nodes:\n",
    "        uid = str(id(n))\n",
    "        dot.node(name=uid, label=\"{ %s | data %.4f | grad %.4f }\" % (n.label, n.data, n.grad), shape='record')\n",
    "        if n._op:\n",
    "            dot.node(name=uid + n._op, label=n._op)\n",
    "            dot.edge(uid + n._op, uid)\n",
    "\n",
    "    for n1, n2 in edges:\n",
    "        dot.edge(str(id(n1)), str(id(n2)) + n2._op)\n",
    "\n",
    "    return dot\n",
    "\n",
    "# Define the function with multiple inputs\n",
    "def function(a, b, c):\n",
    "    return a**2 + b**2 + c**2 + 3*a*b + 2*b*c + a*c\n",
    "\n",
    "# Create Value objects for each input\n",
    "a = Value(1.0, label='a')  # Example value for a\n",
    "b = Value(2.0, label='b')  # Example value for b\n",
    "c = Value(3.0, label='c')  # Example value for c\n",
    "\n",
    "# Compute the function value\n",
    "d = function(a, b, c)\n",
    "d.label = 'd'\n",
    "\n",
    "# Perform backpropagation to compute the gradients\n",
    "d.backward()\n",
    "# Visualize the computation graph\n",
    "dot = draw_dot(d)\n",
    "dot.render('computation_graph', format='png', view=True)  # Save and view the graph"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "12f538b9-9ce4-46b7-905b-2b1454df8358",
   "metadata": {},
   "outputs": [],
   "source": [
    "import torch\n",
    "import random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 70,
   "id": "2d00be75-cee1-4cc1-a5eb-0bcdb5edaf4e",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0.7071066904050358\n",
      "---\n",
      "x2 0.5000001283844369\n",
      "w2 0.0\n",
      "x1 -1.5000003851533106\n",
      "w1 1.0000002567688737\n"
     ]
    }
   ],
   "source": [
    "x1 = torch.Tensor([2.0]).double()                ; x1.requires_grad = True\n",
    "x2 = torch.Tensor([0.0]).double()                ; x2.requires_grad = True\n",
    "w1 = torch.Tensor([-3.0]).double()               ; w1.requires_grad = True\n",
    "w2 = torch.Tensor([1.0]).double()                ; w2.requires_grad = True\n",
    "b = torch.Tensor([6.8813735870195432]).double()  ; b.requires_grad = True\n",
    "n = x1*w1 + x2*w2 + b\n",
    "o = torch.tanh(n)\n",
    "\n",
    "print(o.data.item())\n",
    "o.backward()\n",
    "\n",
    "print('---')\n",
    "print('x2', x2.grad.item())\n",
    "print('w2', w2.grad.item())\n",
    "print('x1', x1.grad.item())\n",
    "print('w1', w1.grad.item())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "4d3ec947-957b-474a-be08-844ef383e06f",
   "metadata": {},
   "outputs": [],
   "source": [
    "class Neuron:\n",
    "  \n",
    "  def __init__(self, nin):\n",
    "    #Weight of the neuron\n",
    "    self.w = [Value(random.uniform(-1,1)) for _ in range(nin)]\n",
    "    #Bias of the neuron \n",
    "    self.b = Value(random.uniform(-1,1))\n",
    "  \n",
    "  def __call__(self, x):\n",
    "    # w * x + b\n",
    "    act = sum((wi*xi for wi, xi in zip(self.w, x)), self.b)\n",
    "    out = act.tanh()\n",
    "    return out\n",
    "  \n",
    "  def parameters(self):\n",
    "    return self.w + [self.b]\n",
    "\n",
    "class Layer:\n",
    "  \n",
    "  def __init__(self, nin, nout):\n",
    "    self.neurons = [Neuron(nin) for _ in range(nout)]\n",
    "  \n",
    "  def __call__(self, x):\n",
    "    outs = [n(x) for n in self.neurons]\n",
    "    return outs[0] if len(outs) == 1 else outs\n",
    "  \n",
    "  def parameters(self):\n",
    "    return [p for neuron in self.neurons for p in neuron.parameters()]\n",
    "\n",
    "class MLP:\n",
    "  \n",
    "  def __init__(self, nin, nouts):\n",
    "    sz = [nin] + nouts\n",
    "    self.layers = [Layer(sz[i], sz[i+1]) for i in range(len(nouts))]\n",
    "  \n",
    "  def __call__(self, x):\n",
    "    for layer in self.layers:\n",
    "      x = layer(x)\n",
    "    return x\n",
    "  \n",
    "  def parameters(self):\n",
    "    return [p for layer in self.layers for p in layer.parameters()]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "id": "fc5eef7f-1b25-41fd-b385-b3f58099c7b4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n",
       "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n",
       " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n",
       "<!-- Generated by graphviz version 11.0.0 (20240428.1522)\n",
       " -->\n",
       "<!-- Pages: 1 -->\n",
       "<svg width=\"5634pt\" height=\"994pt\"\n",
       " viewBox=\"0.00 0.00 5633.75 994.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
       "<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 990)\">\n",
       "<polygon fill=\"white\" stroke=\"none\" points=\"-4,4 -4,-990 5629.75,-990 5629.75,4 -4,4\"/>\n",
       "<!-- 140650661978144 -->\n",
       "<g id=\"node1\" class=\"node\">\n",
       "<title>140650661978144</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1872,-234.5 1872,-270.5 2061.75,-270.5 2061.75,-234.5 1872,-234.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1881.88\" y=\"-247.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1891.75,-235 1891.75,-270.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1933.88\" y=\"-247.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.3473</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-235 1976,-270.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-247.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0316</text>\n",
       "</g>\n",
       "<!-- 140650794358224* -->\n",
       "<g id=\"node123\" class=\"node\">\n",
       "<title>140650794358224*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-252.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-247.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661978144&#45;&gt;140650794358224* -->\n",
       "<g id=\"edge208\" class=\"edge\">\n",
       "<title>140650661978144&#45;&gt;140650794358224*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2062.14,-252.5C2070.46,-252.5 2078.51,-252.5 2085.91,-252.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.77,-256 2095.77,-252.5 2085.77,-249 2085.77,-256\"/>\n",
       "</g>\n",
       "<!-- 140650794541136 -->\n",
       "<g id=\"node2\" class=\"node\">\n",
       "<title>140650794541136</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2817,-617.5 2817,-653.5 2997.75,-653.5 2997.75,-617.5 2817,-617.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2826.88\" y=\"-630.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2836.75,-618 2836.75,-653.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-630.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1551</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2916.5,-618 2916.5,-653.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2957.12\" y=\"-630.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651194311888+ -->\n",
       "<g id=\"node24\" class=\"node\">\n",
       "<title>140651194311888+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3063\" cy=\"-442.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3063\" y=\"-437.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794541136&#45;&gt;140651194311888+ -->\n",
       "<g id=\"edge186\" class=\"edge\">\n",
       "<title>140650794541136&#45;&gt;140651194311888+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2988.44,-617.19C2992.58,-614.66 2996.48,-611.78 3000,-608.5 3010.43,-598.78 3038.26,-516.11 3052.83,-471.22\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3056.1,-472.46 3055.84,-461.87 3049.44,-470.31 3056.1,-472.46\"/>\n",
       "</g>\n",
       "<!-- 140650794541136* -->\n",
       "<g id=\"node3\" class=\"node\">\n",
       "<title>140650794541136*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-635.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-630.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794541136*&#45;&gt;140650794541136 -->\n",
       "<g id=\"edge1\" class=\"edge\">\n",
       "<title>140650794541136*&#45;&gt;140650794541136</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-635.5C2786.87,-635.5 2795.79,-635.5 2805.26,-635.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2805.07,-639 2815.07,-635.5 2805.07,-632 2805.07,-639\"/>\n",
       "</g>\n",
       "<!-- 140650661970272 -->\n",
       "<g id=\"node4\" class=\"node\">\n",
       "<title>140650661970272</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2187.75,-344.5 2187.75,-380.5 2377.5,-380.5 2377.5,-344.5 2187.75,-344.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2197.62\" y=\"-357.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2207.5,-345 2207.5,-380.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2249.62\" y=\"-357.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5804</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2291.75,-345 2291.75,-380.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-357.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0225</text>\n",
       "</g>\n",
       "<!-- 140650794537296* -->\n",
       "<g id=\"node93\" class=\"node\">\n",
       "<title>140650794537296*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-362.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-357.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661970272&#45;&gt;140650794537296* -->\n",
       "<g id=\"edge115\" class=\"edge\">\n",
       "<title>140650661970272&#45;&gt;140650794537296*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2377.89,-362.5C2386.21,-362.5 2394.26,-362.5 2401.66,-362.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.52,-366 2411.52,-362.5 2401.52,-359 2401.52,-366\"/>\n",
       "</g>\n",
       "<!-- 140650794361200 -->\n",
       "<g id=\"node5\" class=\"node\">\n",
       "<title>140650794361200</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3126,-369.5 3126,-405.5 3311.25,-405.5 3311.25,-369.5 3126,-369.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3135.88\" y=\"-382.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3145.75,-370 3145.75,-405.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3187.88\" y=\"-382.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7508</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3230,-370 3230,-405.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3270.62\" y=\"-382.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794356688tanh -->\n",
       "<g id=\"node83\" class=\"node\">\n",
       "<title>140650794356688tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3374.25\" cy=\"-387.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3374.25\" y=\"-382.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140650794361200&#45;&gt;140650794356688tanh -->\n",
       "<g id=\"edge188\" class=\"edge\">\n",
       "<title>140650794361200&#45;&gt;140650794356688tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3311.65,-387.5C3320.02,-387.5 3328.14,-387.5 3335.59,-387.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3335.53,-391 3345.53,-387.5 3335.53,-384 3335.53,-391\"/>\n",
       "</g>\n",
       "<!-- 140650794361200+ -->\n",
       "<g id=\"node6\" class=\"node\">\n",
       "<title>140650794361200+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3063\" cy=\"-387.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3063\" y=\"-382.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794361200+&#45;&gt;140650794361200 -->\n",
       "<g id=\"edge2\" class=\"edge\">\n",
       "<title>140650794361200+&#45;&gt;140650794361200</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3090.41,-387.5C3097.45,-387.5 3105.5,-387.5 3114.05,-387.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3114.04,-391 3124.04,-387.5 3114.04,-384 3114.04,-391\"/>\n",
       "</g>\n",
       "<!-- 140651728462192 -->\n",
       "<g id=\"node7\" class=\"node\">\n",
       "<title>140651728462192</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1560.75,-450.5 1560.75,-486.5 1741.5,-486.5 1741.5,-450.5 1560.75,-450.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1570.62\" y=\"-463.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1580.5,-451 1580.5,-486.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-463.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6233</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-451 1660.25,-486.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-463.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650661974640tanh -->\n",
       "<g id=\"node100\" class=\"node\">\n",
       "<title>140650661974640tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-469.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-464.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140651728462192&#45;&gt;140650661974640tanh -->\n",
       "<g id=\"edge184\" class=\"edge\">\n",
       "<title>140651728462192&#45;&gt;140650661974640tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1741.89,-469.08C1751.85,-469.14 1761.54,-469.2 1770.3,-469.26\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.07,-472.76 1780.09,-469.32 1770.11,-465.76 1770.07,-472.76\"/>\n",
       "</g>\n",
       "<!-- 140651728462192+ -->\n",
       "<g id=\"node8\" class=\"node\">\n",
       "<title>140651728462192+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1493.25\" cy=\"-468.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1493.25\" y=\"-463.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140651728462192+&#45;&gt;140651728462192 -->\n",
       "<g id=\"edge3\" class=\"edge\">\n",
       "<title>140651728462192+&#45;&gt;140651728462192</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1520.69,-468.5C1528.98,-468.5 1538.68,-468.5 1548.98,-468.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1548.83,-472 1558.83,-468.5 1548.83,-465 1548.83,-472\"/>\n",
       "</g>\n",
       "<!-- 140651194311072 -->\n",
       "<g id=\"node9\" class=\"node\">\n",
       "<title>140651194311072</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1876.5,-179.5 1876.5,-215.5 2057.25,-215.5 2057.25,-179.5 1876.5,-179.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1886.38\" y=\"-192.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1896.25,-180 1896.25,-215.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-192.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.4324</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-180 1976,-215.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2016.62\" y=\"-192.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794358656+ -->\n",
       "<g id=\"node140\" class=\"node\">\n",
       "<title>140650794358656+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-197.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-192.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140651194311072&#45;&gt;140650794358656+ -->\n",
       "<g id=\"edge124\" class=\"edge\">\n",
       "<title>140651194311072&#45;&gt;140650794358656+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2057.64,-197.5C2067.6,-197.5 2077.29,-197.5 2086.05,-197.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.84,-201 2095.84,-197.5 2085.84,-194 2085.84,-201\"/>\n",
       "</g>\n",
       "<!-- 140651194311072* -->\n",
       "<g id=\"node10\" class=\"node\">\n",
       "<title>140651194311072*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-210.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-205.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140651194311072*&#45;&gt;140651194311072 -->\n",
       "<g id=\"edge4\" class=\"edge\">\n",
       "<title>140651194311072*&#45;&gt;140651194311072</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1836.09,-208.32C1844.52,-207.62 1854.42,-206.8 1864.94,-205.92\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1864.91,-209.43 1874.58,-205.11 1864.33,-202.46 1864.91,-209.43\"/>\n",
       "</g>\n",
       "<!-- 140650661978864 -->\n",
       "<g id=\"node11\" class=\"node\">\n",
       "<title>140650661978864</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3753,-589.5 3753,-625.5 3938.25,-625.5 3938.25,-589.5 3753,-589.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3762.88\" y=\"-602.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3772.75,-590 3772.75,-625.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3814.88\" y=\"-602.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2029</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3857,-590 3857,-625.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3897.62\" y=\"-602.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.7106</text>\n",
       "</g>\n",
       "<!-- 140650794356976+ -->\n",
       "<g id=\"node91\" class=\"node\">\n",
       "<title>140650794356976+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"4066.88\" cy=\"-607.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"4066.88\" y=\"-602.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650661978864&#45;&gt;140650794356976+ -->\n",
       "<g id=\"edge118\" class=\"edge\">\n",
       "<title>140650661978864&#45;&gt;140650794356976+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3938.65,-607.5C3970.07,-607.5 4003.48,-607.5 4028.17,-607.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4028.03,-611 4038.03,-607.5 4028.03,-604 4028.03,-611\"/>\n",
       "</g>\n",
       "<!-- 140650661978960 -->\n",
       "<g id=\"node12\" class=\"node\">\n",
       "<title>140650661978960</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"309,-484.5 309,-520.5 489.75,-520.5 489.75,-484.5 309,-484.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"318.88\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"328.75,-485 328.75,-520.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"368.62\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6455</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"408.5,-485 408.5,-520.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"449.12\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.2033</text>\n",
       "</g>\n",
       "<!-- 140651728195248* -->\n",
       "<g id=\"node78\" class=\"node\">\n",
       "<title>140651728195248*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"555\" cy=\"-502.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"555\" y=\"-497.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661978960&#45;&gt;140651728195248* -->\n",
       "<g id=\"edge107\" class=\"edge\">\n",
       "<title>140650661978960&#45;&gt;140651728195248*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M490.18,-502.5C499.36,-502.5 508.28,-502.5 516.4,-502.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"516.15,-506 526.15,-502.5 516.15,-499 516.15,-506\"/>\n",
       "</g>\n",
       "<!-- 140650794361728 -->\n",
       "<g id=\"node13\" class=\"node\">\n",
       "<title>140650794361728</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2814.75,-507.5 2814.75,-543.5 3000,-543.5 3000,-507.5 2814.75,-507.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2824.62\" y=\"-520.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2834.5,-508 2834.5,-543.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-520.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.3282</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2918.75,-508 2918.75,-543.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2959.38\" y=\"-520.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794361728&#45;&gt;140650794361200+ -->\n",
       "<g id=\"edge204\" class=\"edge\">\n",
       "<title>140650794361728&#45;&gt;140650794361200+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2987.81,-507.23C2992.16,-504.69 2996.27,-501.8 3000,-498.5 3030.12,-471.86 3014,-449.16 3036,-415.5 3037.05,-413.9 3038.19,-412.3 3039.39,-410.73\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3041.91,-413.16 3045.71,-403.27 3036.57,-408.64 3041.91,-413.16\"/>\n",
       "</g>\n",
       "<!-- 140650794361728* -->\n",
       "<g id=\"node14\" class=\"node\">\n",
       "<title>140650794361728*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-525.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-520.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794361728*&#45;&gt;140650794361728 -->\n",
       "<g id=\"edge5\" class=\"edge\">\n",
       "<title>140650794361728*&#45;&gt;140650794361728</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-525.5C2786.2,-525.5 2794.25,-525.5 2802.8,-525.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2802.79,-529 2812.79,-525.5 2802.79,-522 2802.79,-529\"/>\n",
       "</g>\n",
       "<!-- 140650794533792 -->\n",
       "<g id=\"node15\" class=\"node\">\n",
       "<title>140650794533792</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1242.75,-110.5 1242.75,-146.5 1428,-146.5 1428,-110.5 1242.75,-110.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1252.62\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1262.5,-111 1262.5,-146.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.4348</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1346.75,-111 1346.75,-146.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534224+ -->\n",
       "<g id=\"node26\" class=\"node\">\n",
       "<title>140650794534224+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1493.25\" cy=\"-128.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1493.25\" y=\"-123.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794533792&#45;&gt;140650794534224+ -->\n",
       "<g id=\"edge148\" class=\"edge\">\n",
       "<title>140650794533792&#45;&gt;140650794534224+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1428.4,-128.5C1437.61,-128.5 1446.55,-128.5 1454.68,-128.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1454.44,-132 1464.44,-128.5 1454.44,-125 1454.44,-132\"/>\n",
       "</g>\n",
       "<!-- 140650794533792+ -->\n",
       "<g id=\"node16\" class=\"node\">\n",
       "<title>140650794533792+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1177.5\" cy=\"-128.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1177.5\" y=\"-123.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794533792+&#45;&gt;140650794533792 -->\n",
       "<g id=\"edge6\" class=\"edge\">\n",
       "<title>140650794533792+&#45;&gt;140650794533792</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1204.94,-128.5C1212.62,-128.5 1221.51,-128.5 1230.95,-128.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1230.75,-132 1240.75,-128.5 1230.75,-125 1230.75,-132\"/>\n",
       "</g>\n",
       "<!-- 140650661970896 -->\n",
       "<g id=\"node17\" class=\"node\">\n",
       "<title>140650661970896</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1240.5,-0.5 1240.5,-36.5 1430.25,-36.5 1430.25,-0.5 1240.5,-0.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1250.38\" y=\"-13.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1260.25,-1 1260.25,-36.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1302.38\" y=\"-13.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.6946</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1344.5,-1 1344.5,-36.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-13.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1544</text>\n",
       "</g>\n",
       "<!-- 140650794534464* -->\n",
       "<g id=\"node29\" class=\"node\">\n",
       "<title>140650794534464*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1493.25\" cy=\"-73.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1493.25\" y=\"-68.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661970896&#45;&gt;140650794534464* -->\n",
       "<g id=\"edge126\" class=\"edge\">\n",
       "<title>140650661970896&#45;&gt;140650794534464*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1404.94,-36.97C1413.52,-39.65 1422.13,-42.52 1430.25,-45.5 1440.24,-49.17 1450.87,-53.72 1460.47,-58.09\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1458.85,-61.19 1469.39,-62.23 1461.8,-54.85 1458.85,-61.19\"/>\n",
       "</g>\n",
       "<!-- 140650661979152 -->\n",
       "<g id=\"node18\" class=\"node\">\n",
       "<title>140650661979152</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"618,-759.5 618,-795.5 803.25,-795.5 803.25,-759.5 618,-759.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"627.88\" y=\"-772.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"637.75,-760 637.75,-795.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"677.62\" y=\"-772.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.8874</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"717.5,-760 717.5,-795.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-772.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0190</text>\n",
       "</g>\n",
       "<!-- 140651728197984* -->\n",
       "<g id=\"node157\" class=\"node\">\n",
       "<title>140651728197984*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"866.25\" cy=\"-722.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"866.25\" y=\"-717.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661979152&#45;&gt;140651728197984* -->\n",
       "<g id=\"edge81\" class=\"edge\">\n",
       "<title>140650661979152&#45;&gt;140651728197984*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M778.04,-759.11C786.58,-756.4 795.17,-753.5 803.25,-750.5 813.23,-746.8 823.86,-742.23 833.45,-737.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"834.78,-741.11 842.38,-733.73 831.83,-734.77 834.78,-741.11\"/>\n",
       "</g>\n",
       "<!-- 140650794533984 -->\n",
       "<g id=\"node19\" class=\"node\">\n",
       "<title>140650794533984</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"931.5,-220.5 931.5,-256.5 1112.25,-256.5 1112.25,-220.5 931.5,-220.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"941.38\" y=\"-233.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"951.25,-221 951.25,-256.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-233.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 3.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1031,-221 1031,-256.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-233.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534032* -->\n",
       "<g id=\"node21\" class=\"node\">\n",
       "<title>140650794534032*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1177.5\" cy=\"-183.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1177.5\" y=\"-178.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794533984&#45;&gt;140650794534032* -->\n",
       "<g id=\"edge133\" class=\"edge\">\n",
       "<title>140650794533984&#45;&gt;140650794534032*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1086.28,-220.16C1095.8,-217.11 1105.45,-213.84 1114.5,-210.5 1124.34,-206.87 1134.87,-202.48 1144.4,-198.31\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1145.56,-201.62 1153.27,-194.36 1142.71,-195.23 1145.56,-201.62\"/>\n",
       "</g>\n",
       "<!-- 140650794534032 -->\n",
       "<g id=\"node20\" class=\"node\">\n",
       "<title>140650794534032</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1242.75,-165.5 1242.75,-201.5 1428,-201.5 1428,-165.5 1242.75,-165.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1252.62\" y=\"-178.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1262.5,-166 1262.5,-201.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-178.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0897</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1346.75,-166 1346.75,-201.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-178.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534032&#45;&gt;140650794534224+ -->\n",
       "<g id=\"edge125\" class=\"edge\">\n",
       "<title>140650794534032&#45;&gt;140650794534224+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1401.85,-165.08C1411.44,-162.06 1421.14,-158.83 1430.25,-155.5 1440.1,-151.9 1450.63,-147.52 1460.17,-143.35\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1461.33,-146.66 1469.04,-139.39 1458.48,-140.27 1461.33,-146.66\"/>\n",
       "</g>\n",
       "<!-- 140650794534032*&#45;&gt;140650794534032 -->\n",
       "<g id=\"edge7\" class=\"edge\">\n",
       "<title>140650794534032*&#45;&gt;140650794534032</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1204.94,-183.5C1212.62,-183.5 1221.51,-183.5 1230.95,-183.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1230.75,-187 1240.75,-183.5 1230.75,-180 1230.75,-187\"/>\n",
       "</g>\n",
       "<!-- 140650661971088 -->\n",
       "<g id=\"node22\" class=\"node\">\n",
       "<title>140650661971088</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-674.5 1874.25,-710.5 2059.5,-710.5 2059.5,-674.5 1874.25,-674.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-687.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-675 1894,-710.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-687.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7828</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1978.25,-675 1978.25,-710.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-687.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0925</text>\n",
       "</g>\n",
       "<!-- 140650794538448+ -->\n",
       "<g id=\"node125\" class=\"node\">\n",
       "<title>140650794538448+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-637.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-632.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650661971088&#45;&gt;140650794538448+ -->\n",
       "<g id=\"edge182\" class=\"edge\">\n",
       "<title>140650661971088&#45;&gt;140650794538448+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2036.44,-674.03C2045.02,-671.35 2053.63,-668.48 2061.75,-665.5 2071.74,-661.83 2082.37,-657.28 2091.97,-652.91\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2093.3,-656.15 2100.89,-648.77 2090.35,-649.81 2093.3,-656.15\"/>\n",
       "</g>\n",
       "<!-- 140651194311888 -->\n",
       "<g id=\"node23\" class=\"node\">\n",
       "<title>140651194311888</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3126,-424.5 3126,-460.5 3311.25,-460.5 3311.25,-424.5 3126,-424.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3135.88\" y=\"-437.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3145.75,-425 3145.75,-460.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3187.88\" y=\"-437.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2732</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3230,-425 3230,-460.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3270.62\" y=\"-437.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651194308384tanh -->\n",
       "<g id=\"node136\" class=\"node\">\n",
       "<title>140651194308384tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3374.25\" cy=\"-442.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3374.25\" y=\"-437.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140651194311888&#45;&gt;140651194308384tanh -->\n",
       "<g id=\"edge112\" class=\"edge\">\n",
       "<title>140651194311888&#45;&gt;140651194308384tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3311.65,-442.5C3320.02,-442.5 3328.14,-442.5 3335.59,-442.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3335.53,-446 3345.53,-442.5 3335.53,-439 3335.53,-446\"/>\n",
       "</g>\n",
       "<!-- 140651194311888+&#45;&gt;140651194311888 -->\n",
       "<g id=\"edge8\" class=\"edge\">\n",
       "<title>140651194311888+&#45;&gt;140651194311888</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3090.41,-442.5C3097.45,-442.5 3105.5,-442.5 3114.05,-442.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3114.04,-446 3124.04,-442.5 3114.04,-439 3114.04,-446\"/>\n",
       "</g>\n",
       "<!-- 140650794534224 -->\n",
       "<g id=\"node25\" class=\"node\">\n",
       "<title>140650794534224</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1558.5,-110.5 1558.5,-146.5 1743.75,-146.5 1743.75,-110.5 1558.5,-110.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1568.38\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1578.25,-111 1578.25,-146.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5246</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1662.5,-111 1662.5,-146.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1703.12\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534656+ -->\n",
       "<g id=\"node33\" class=\"node\">\n",
       "<title>140650794534656+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-87.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-82.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794534224&#45;&gt;140650794534656+ -->\n",
       "<g id=\"edge110\" class=\"edge\">\n",
       "<title>140650794534224&#45;&gt;140650794534656+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1722.31,-110.04C1739.7,-105.47 1757.6,-100.76 1772.52,-96.83\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1773.04,-100.31 1781.83,-94.38 1771.26,-93.54 1773.04,-100.31\"/>\n",
       "</g>\n",
       "<!-- 140650794534224+&#45;&gt;140650794534224 -->\n",
       "<g id=\"edge9\" class=\"edge\">\n",
       "<title>140650794534224+&#45;&gt;140650794534224</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1520.69,-128.5C1528.37,-128.5 1537.26,-128.5 1546.7,-128.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1546.5,-132 1556.5,-128.5 1546.5,-125 1546.5,-132\"/>\n",
       "</g>\n",
       "<!-- 140650794534416 -->\n",
       "<g id=\"node27\" class=\"node\">\n",
       "<title>140650794534416</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1242.75,-55.5 1242.75,-91.5 1428,-91.5 1428,-55.5 1242.75,-55.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1252.62\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1262.5,-56 1262.5,-91.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1346.75,-56 1346.75,-91.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534416&#45;&gt;140650794534464* -->\n",
       "<g id=\"edge88\" class=\"edge\">\n",
       "<title>140650794534416&#45;&gt;140650794534464*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1428.4,-73.5C1437.61,-73.5 1446.55,-73.5 1454.68,-73.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1454.44,-77 1464.44,-73.5 1454.44,-70 1454.44,-77\"/>\n",
       "</g>\n",
       "<!-- 140650794534464 -->\n",
       "<g id=\"node28\" class=\"node\">\n",
       "<title>140650794534464</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1560.75,-55.5 1560.75,-91.5 1741.5,-91.5 1741.5,-55.5 1560.75,-55.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1570.62\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1580.5,-56 1580.5,-91.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6946</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-56 1660.25,-91.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534464&#45;&gt;140650794534656+ -->\n",
       "<g id=\"edge155\" class=\"edge\">\n",
       "<title>140650794534464&#45;&gt;140650794534656+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1741.89,-81.56C1751.94,-82.47 1761.73,-83.34 1770.55,-84.14\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.14,-87.61 1780.41,-85.02 1770.77,-80.64 1770.14,-87.61\"/>\n",
       "</g>\n",
       "<!-- 140650794534464*&#45;&gt;140650794534464 -->\n",
       "<g id=\"edge10\" class=\"edge\">\n",
       "<title>140650794534464*&#45;&gt;140650794534464</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1520.69,-73.5C1528.98,-73.5 1538.68,-73.5 1548.98,-73.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1548.83,-77 1558.83,-73.5 1548.83,-70 1548.83,-77\"/>\n",
       "</g>\n",
       "<!-- 140650661979728 -->\n",
       "<g id=\"node30\" class=\"node\">\n",
       "<title>140650661979728</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"618,-539.5 618,-575.5 803.25,-575.5 803.25,-539.5 618,-539.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"627.88\" y=\"-552.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"637.75,-540 637.75,-575.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-552.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7325</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"722,-540 722,-575.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"762.62\" y=\"-552.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.1017</text>\n",
       "</g>\n",
       "<!-- 140650793601776+ -->\n",
       "<g id=\"node59\" class=\"node\">\n",
       "<title>140650793601776+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"866.25\" cy=\"-502.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"866.25\" y=\"-497.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650661979728&#45;&gt;140650793601776+ -->\n",
       "<g id=\"edge162\" class=\"edge\">\n",
       "<title>140650661979728&#45;&gt;140650793601776+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M778.04,-539.11C786.58,-536.4 795.17,-533.5 803.25,-530.5 813.23,-526.8 823.86,-522.23 833.45,-517.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"834.78,-521.11 842.38,-513.73 831.83,-514.77 834.78,-521.11\"/>\n",
       "</g>\n",
       "<!-- 140650661971664 -->\n",
       "<g id=\"node31\" class=\"node\">\n",
       "<title>140650661971664</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1245,-784.5 1245,-820.5 1425.75,-820.5 1425.75,-784.5 1245,-784.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1254.88\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1264.75,-785 1264.75,-820.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.2825</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1344.5,-785 1344.5,-820.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1385.12\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0586</text>\n",
       "</g>\n",
       "<!-- 140650794535520* -->\n",
       "<g id=\"node56\" class=\"node\">\n",
       "<title>140650794535520*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1493.25\" cy=\"-857.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1493.25\" y=\"-852.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661971664&#45;&gt;140650794535520* -->\n",
       "<g id=\"edge172\" class=\"edge\">\n",
       "<title>140650661971664&#45;&gt;140650794535520*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1401.85,-820.92C1411.44,-823.94 1421.14,-827.17 1430.25,-830.5 1440.1,-834.1 1450.63,-838.48 1460.17,-842.65\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1458.48,-845.73 1469.04,-846.61 1461.33,-839.34 1458.48,-845.73\"/>\n",
       "</g>\n",
       "<!-- 140650794534656 -->\n",
       "<g id=\"node32\" class=\"node\">\n",
       "<title>140650794534656</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1876.5,-69.5 1876.5,-105.5 2057.25,-105.5 2057.25,-69.5 1876.5,-69.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1886.38\" y=\"-82.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1896.25,-70 1896.25,-105.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-82.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1701</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-70 1976,-105.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2016.62\" y=\"-82.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794534752tanh -->\n",
       "<g id=\"node38\" class=\"node\">\n",
       "<title>140650794534752tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-114.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-109.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140650794534656&#45;&gt;140650794534752tanh -->\n",
       "<g id=\"edge141\" class=\"edge\">\n",
       "<title>140650794534656&#45;&gt;140650794534752tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2057.64,-103.05C2068,-104.84 2078.06,-106.59 2087.09,-108.15\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2086.36,-111.58 2096.81,-109.83 2087.55,-104.68 2086.36,-111.58\"/>\n",
       "</g>\n",
       "<!-- 140650794534656+&#45;&gt;140650794534656 -->\n",
       "<g id=\"edge11\" class=\"edge\">\n",
       "<title>140650794534656+&#45;&gt;140650794534656</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1836.44,-87.5C1844.73,-87.5 1854.43,-87.5 1864.73,-87.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1864.58,-91 1874.58,-87.5 1864.58,-84 1864.58,-91\"/>\n",
       "</g>\n",
       "<!-- 140650793600816 -->\n",
       "<g id=\"node34\" class=\"node\">\n",
       "<title>140650793600816</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1242.75,-381.5 1242.75,-417.5 1428,-417.5 1428,-381.5 1242.75,-381.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1252.62\" y=\"-394.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1262.5,-382 1262.5,-417.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-394.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1845</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1346.75,-382 1346.75,-417.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-394.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650793600816&#45;&gt;140651728462192+ -->\n",
       "<g id=\"edge174\" class=\"edge\">\n",
       "<title>140650793600816&#45;&gt;140651728462192+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1378.95,-417.96C1395.04,-424.97 1413.51,-433.06 1430.25,-440.5 1439.9,-444.78 1450.36,-449.49 1459.9,-453.8\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1458.25,-456.9 1468.81,-457.83 1461.14,-450.52 1458.25,-456.9\"/>\n",
       "</g>\n",
       "<!-- 140650793600816* -->\n",
       "<g id=\"node35\" class=\"node\">\n",
       "<title>140650793600816*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1177.5\" cy=\"-392.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1177.5\" y=\"-387.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650793600816*&#45;&gt;140650793600816 -->\n",
       "<g id=\"edge12\" class=\"edge\">\n",
       "<title>140650793600816*&#45;&gt;140650793600816</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1204.94,-393.69C1212.62,-394.03 1221.51,-394.43 1230.95,-394.86\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1230.6,-398.34 1240.75,-395.3 1230.92,-391.35 1230.6,-398.34\"/>\n",
       "</g>\n",
       "<!-- 140650661979968 -->\n",
       "<g id=\"node36\" class=\"node\">\n",
       "<title>140650661979968</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"931.5,-110.5 931.5,-146.5 1112.25,-146.5 1112.25,-110.5 931.5,-110.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"941.38\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"951.25,-111 951.25,-146.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0130</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1031,-111 1031,-146.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-123.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.1544</text>\n",
       "</g>\n",
       "<!-- 140650661979968&#45;&gt;140650794533792+ -->\n",
       "<g id=\"edge193\" class=\"edge\">\n",
       "<title>140650661979968&#45;&gt;140650794533792+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1112.68,-128.5C1121.86,-128.5 1130.78,-128.5 1138.9,-128.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1138.65,-132 1148.65,-128.5 1138.65,-125 1138.65,-132\"/>\n",
       "</g>\n",
       "<!-- 140650794534752 -->\n",
       "<g id=\"node37\" class=\"node\">\n",
       "<title>140650794534752</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2192.25,-124.5 2192.25,-160.5 2373,-160.5 2373,-124.5 2192.25,-124.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2202.12\" y=\"-137.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2212,-125 2212,-160.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-137.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1684</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2291.75,-125 2291.75,-160.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2332.38\" y=\"-137.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794362928* -->\n",
       "<g id=\"node43\" class=\"node\">\n",
       "<title>140650794362928*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-90.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-85.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794534752&#45;&gt;140650794362928* -->\n",
       "<g id=\"edge111\" class=\"edge\">\n",
       "<title>140650794534752&#45;&gt;140650794362928*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2347.97,-124.05C2357.9,-120.99 2368.01,-117.75 2377.5,-114.5 2387,-111.25 2397.2,-107.44 2406.53,-103.82\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2407.55,-107.18 2415.58,-100.27 2404.99,-100.67 2407.55,-107.18\"/>\n",
       "</g>\n",
       "<!-- 140650794534752&#45;&gt;140650794537296* -->\n",
       "<g id=\"edge144\" class=\"edge\">\n",
       "<title>140650794534752&#45;&gt;140650794537296*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2367.48,-160.94C2371.11,-163.45 2374.48,-166.29 2377.5,-169.5 2428.29,-223.58 2380.18,-266.21 2413.5,-332.5 2414.61,-334.7 2415.91,-336.87 2417.34,-338.98\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2414.29,-340.76 2423.19,-346.5 2419.81,-336.46 2414.29,-340.76\"/>\n",
       "</g>\n",
       "<!-- 140650794539024* -->\n",
       "<g id=\"node147\" class=\"node\">\n",
       "<title>140650794539024*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-305.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-300.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794534752&#45;&gt;140650794539024* -->\n",
       "<g id=\"edge91\" class=\"edge\">\n",
       "<title>140650794534752&#45;&gt;140650794539024*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2366.19,-160.81C2370.25,-163.35 2374.06,-166.23 2377.5,-169.5 2413.25,-203.5 2389.24,-231.54 2413.5,-274.5 2414.84,-276.87 2416.37,-279.24 2418.01,-281.55\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2415.21,-283.66 2424.14,-289.37 2420.72,-279.34 2415.21,-283.66\"/>\n",
       "</g>\n",
       "<!-- 140650794540752* -->\n",
       "<g id=\"node196\" class=\"node\">\n",
       "<title>140650794540752*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-144.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-139.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794534752&#45;&gt;140650794540752* -->\n",
       "<g id=\"edge74\" class=\"edge\">\n",
       "<title>140650794534752&#45;&gt;140650794540752*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2373.39,-143.65C2383.35,-143.78 2393.04,-143.9 2401.8,-144.02\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.55,-147.51 2411.59,-144.14 2401.64,-140.51 2401.55,-147.51\"/>\n",
       "</g>\n",
       "<!-- 140650794534752tanh&#45;&gt;140650794534752 -->\n",
       "<g id=\"edge13\" class=\"edge\">\n",
       "<title>140650794534752tanh&#45;&gt;140650794534752</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2151.14,-119.06C2159.75,-120.61 2169.95,-122.44 2180.81,-124.39\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2179.89,-127.78 2190.35,-126.1 2181.13,-120.89 2179.89,-127.78\"/>\n",
       "</g>\n",
       "<!-- 140650661980016 -->\n",
       "<g id=\"node39\" class=\"node\">\n",
       "<title>140650661980016</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-617.5 2503.5,-653.5 2688.75,-653.5 2688.75,-617.5 2503.5,-617.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-630.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-618 2523.25,-653.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-630.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1673</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-618 2607.5,-653.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-630.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.1793</text>\n",
       "</g>\n",
       "<!-- 140650661980016&#45;&gt;140650794541136* -->\n",
       "<g id=\"edge134\" class=\"edge\">\n",
       "<title>140650661980016&#45;&gt;140650794541136*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2689.15,-635.5C2697.52,-635.5 2705.64,-635.5 2713.09,-635.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2713.03,-639 2723.03,-635.5 2713.03,-632 2713.03,-639\"/>\n",
       "</g>\n",
       "<!-- 140650661971856 -->\n",
       "<g id=\"node40\" class=\"node\">\n",
       "<title>140650661971856</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1556.25,-674.5 1556.25,-710.5 1746,-710.5 1746,-674.5 1556.25,-674.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1566.12\" y=\"-687.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1576,-675 1576,-710.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1618.12\" y=\"-687.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1172</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-675 1660.25,-710.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1703.12\" y=\"-687.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1233</text>\n",
       "</g>\n",
       "<!-- 140650794536528* -->\n",
       "<g id=\"node75\" class=\"node\">\n",
       "<title>140650794536528*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-692.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-687.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661971856&#45;&gt;140650794536528* -->\n",
       "<g id=\"edge168\" class=\"edge\">\n",
       "<title>140650661971856&#45;&gt;140650794536528*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1746.39,-692.5C1754.71,-692.5 1762.76,-692.5 1770.16,-692.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.02,-696 1780.02,-692.5 1770.02,-689 1770.02,-696\"/>\n",
       "</g>\n",
       "<!-- 140650661980160 -->\n",
       "<g id=\"node41\" class=\"node\">\n",
       "<title>140650661980160</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2192.25,-289.5 2192.25,-325.5 2373,-325.5 2373,-289.5 2192.25,-289.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2202.12\" y=\"-302.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2212,-290 2212,-325.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-302.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.3078</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2291.75,-290 2291.75,-325.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2332.38\" y=\"-302.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0156</text>\n",
       "</g>\n",
       "<!-- 140650661980160&#45;&gt;140650794539024* -->\n",
       "<g id=\"edge143\" class=\"edge\">\n",
       "<title>140650661980160&#45;&gt;140650794539024*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2373.39,-306.35C2383.35,-306.22 2393.04,-306.1 2401.8,-305.98\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.64,-309.49 2411.59,-305.86 2401.55,-302.49 2401.64,-309.49\"/>\n",
       "</g>\n",
       "<!-- 140650794362928 -->\n",
       "<g id=\"node42\" class=\"node\">\n",
       "<title>140650794362928</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2505.75,-99.5 2505.75,-135.5 2686.5,-135.5 2686.5,-99.5 2505.75,-99.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2515.62\" y=\"-112.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2525.5,-100 2525.5,-135.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-112.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1060</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2605.25,-100 2605.25,-135.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2645.88\" y=\"-112.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794359328+ -->\n",
       "<g id=\"node163\" class=\"node\">\n",
       "<title>140650794359328+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-247.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-242.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794362928&#45;&gt;140650794359328+ -->\n",
       "<g id=\"edge117\" class=\"edge\">\n",
       "<title>140650794362928&#45;&gt;140650794359328+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2652.79,-135.91C2665.4,-141.63 2678.17,-148.78 2688.75,-157.5 2709.5,-174.61 2726.28,-200.37 2737.12,-219.95\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2734.03,-221.58 2741.81,-228.76 2740.21,-218.29 2734.03,-221.58\"/>\n",
       "</g>\n",
       "<!-- 140650794362928*&#45;&gt;140650794362928 -->\n",
       "<g id=\"edge14\" class=\"edge\">\n",
       "<title>140650794362928*&#45;&gt;140650794362928</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2466.87,-94.96C2474.88,-96.37 2484.27,-98.02 2494.27,-99.77\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2493.37,-103.17 2503.83,-101.45 2494.58,-96.28 2493.37,-103.17\"/>\n",
       "</g>\n",
       "<!-- 140650661980256 -->\n",
       "<g id=\"node44\" class=\"node\">\n",
       "<title>140650661980256</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"306.75,-594.5 306.75,-630.5 492,-630.5 492,-594.5 306.75,-594.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"316.62\" y=\"-607.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"326.5,-595 326.5,-630.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"368.62\" y=\"-607.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5751</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"410.75,-595 410.75,-630.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"451.38\" y=\"-607.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0190</text>\n",
       "</g>\n",
       "<!-- 140650938505328+ -->\n",
       "<g id=\"node149\" class=\"node\">\n",
       "<title>140650938505328+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"555\" cy=\"-612.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"555\" y=\"-607.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650661980256&#45;&gt;140650938505328+ -->\n",
       "<g id=\"edge194\" class=\"edge\">\n",
       "<title>140650661980256&#45;&gt;140650938505328+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M492.4,-612.5C500.77,-612.5 508.89,-612.5 516.34,-612.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"516.28,-616 526.28,-612.5 516.28,-609 516.28,-616\"/>\n",
       "</g>\n",
       "<!-- 140650794535040 -->\n",
       "<g id=\"node45\" class=\"node\">\n",
       "<title>140650794535040</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"931.5,-921.5 931.5,-957.5 1112.25,-957.5 1112.25,-921.5 931.5,-921.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"941.38\" y=\"-934.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"951.25,-922 951.25,-957.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-934.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 2.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1031,-922 1031,-957.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-934.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535088* -->\n",
       "<g id=\"node47\" class=\"node\">\n",
       "<title>140650794535088*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1177.5\" cy=\"-912.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1177.5\" y=\"-907.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794535040&#45;&gt;140650794535088* -->\n",
       "<g id=\"edge145\" class=\"edge\">\n",
       "<title>140650794535040&#45;&gt;140650794535088*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1112.68,-923.72C1122.23,-922.04 1131.51,-920.41 1139.89,-918.93\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1140.36,-922.41 1149.6,-917.23 1139.14,-915.51 1140.36,-922.41\"/>\n",
       "</g>\n",
       "<!-- 140650794535088 -->\n",
       "<g id=\"node46\" class=\"node\">\n",
       "<title>140650794535088</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1242.75,-894.5 1242.75,-930.5 1428,-930.5 1428,-894.5 1242.75,-894.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1252.62\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1262.5,-895 1262.5,-930.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.4998</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1346.75,-895 1346.75,-930.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535280+ -->\n",
       "<g id=\"node53\" class=\"node\">\n",
       "<title>140650794535280+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1493.25\" cy=\"-912.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1493.25\" y=\"-907.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794535088&#45;&gt;140650794535280+ -->\n",
       "<g id=\"edge161\" class=\"edge\">\n",
       "<title>140650794535088&#45;&gt;140650794535280+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1428.4,-912.5C1437.61,-912.5 1446.55,-912.5 1454.68,-912.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1454.44,-916 1464.44,-912.5 1454.44,-909 1454.44,-916\"/>\n",
       "</g>\n",
       "<!-- 140650794535088*&#45;&gt;140650794535088 -->\n",
       "<g id=\"edge15\" class=\"edge\">\n",
       "<title>140650794535088*&#45;&gt;140650794535088</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1204.94,-912.5C1212.62,-912.5 1221.51,-912.5 1230.95,-912.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1230.75,-916 1240.75,-912.5 1230.75,-909 1230.75,-916\"/>\n",
       "</g>\n",
       "<!-- 140650661972144 -->\n",
       "<g id=\"node48\" class=\"node\">\n",
       "<title>140650661972144</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1560.75,-619.5 1560.75,-655.5 1741.5,-655.5 1741.5,-619.5 1560.75,-619.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1570.62\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1580.5,-620 1580.5,-655.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.9288</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-620 1660.25,-655.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0853</text>\n",
       "</g>\n",
       "<!-- 140650794538256* -->\n",
       "<g id=\"node117\" class=\"node\">\n",
       "<title>140650794538256*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-637.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-632.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661972144&#45;&gt;140650794538256* -->\n",
       "<g id=\"edge75\" class=\"edge\">\n",
       "<title>140650661972144&#45;&gt;140650794538256*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1741.89,-637.5C1751.85,-637.5 1761.54,-637.5 1770.3,-637.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.09,-641 1780.09,-637.5 1770.09,-634 1770.09,-641\"/>\n",
       "</g>\n",
       "<!-- 140650794363168 -->\n",
       "<g id=\"node49\" class=\"node\">\n",
       "<title>140650794363168</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-229.5 2503.5,-265.5 2688.75,-265.5 2688.75,-229.5 2503.5,-229.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-242.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-230 2523.25,-265.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-242.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5286</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-230 2607.5,-265.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-242.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794363168&#45;&gt;140650794359328+ -->\n",
       "<g id=\"edge122\" class=\"edge\">\n",
       "<title>140650794363168&#45;&gt;140650794359328+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2689.15,-247.5C2697.52,-247.5 2705.64,-247.5 2713.09,-247.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2713.03,-251 2723.03,-247.5 2713.03,-244 2713.03,-251\"/>\n",
       "</g>\n",
       "<!-- 140650794363168+ -->\n",
       "<g id=\"node50\" class=\"node\">\n",
       "<title>140650794363168+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-247.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-242.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794363168+&#45;&gt;140650794363168 -->\n",
       "<g id=\"edge16\" class=\"edge\">\n",
       "<title>140650794363168+&#45;&gt;140650794363168</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2467.91,-247.5C2474.95,-247.5 2483,-247.5 2491.55,-247.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2491.54,-251 2501.54,-247.5 2491.54,-244 2491.54,-251\"/>\n",
       "</g>\n",
       "<!-- 140650661980448 -->\n",
       "<g id=\"node51\" class=\"node\">\n",
       "<title>140650661980448</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1872,-399.5 1872,-435.5 2061.75,-435.5 2061.75,-399.5 1872,-399.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1881.88\" y=\"-412.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1891.75,-400 1891.75,-435.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1933.88\" y=\"-412.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5262</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-400 1976,-435.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-412.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1070</text>\n",
       "</g>\n",
       "<!-- 140650794540368* -->\n",
       "<g id=\"node188\" class=\"node\">\n",
       "<title>140650794540368*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-472.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-467.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661980448&#45;&gt;140650794540368* -->\n",
       "<g id=\"edge149\" class=\"edge\">\n",
       "<title>140650661980448&#45;&gt;140650794540368*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2036.44,-435.97C2045.02,-438.65 2053.63,-441.52 2061.75,-444.5 2071.74,-448.17 2082.37,-452.72 2091.97,-457.09\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2090.35,-460.19 2100.89,-461.23 2093.3,-453.85 2090.35,-460.19\"/>\n",
       "</g>\n",
       "<!-- 140650794535280 -->\n",
       "<g id=\"node52\" class=\"node\">\n",
       "<title>140650794535280</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1558.5,-894.5 1558.5,-930.5 1743.75,-930.5 1743.75,-894.5 1558.5,-894.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1568.38\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1578.25,-895 1578.25,-930.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.7336</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1662.5,-895 1662.5,-930.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1703.12\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535712+ -->\n",
       "<g id=\"node61\" class=\"node\">\n",
       "<title>140650794535712+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-857.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-852.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794535280&#45;&gt;140650794535712+ -->\n",
       "<g id=\"edge128\" class=\"edge\">\n",
       "<title>140650794535280&#45;&gt;140650794535712+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1720.69,-894.03C1729.27,-891.35 1737.88,-888.48 1746,-885.5 1755.99,-881.83 1766.62,-877.28 1776.22,-872.91\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1777.55,-876.15 1785.14,-868.77 1774.6,-869.81 1777.55,-876.15\"/>\n",
       "</g>\n",
       "<!-- 140650794535280+&#45;&gt;140650794535280 -->\n",
       "<g id=\"edge17\" class=\"edge\">\n",
       "<title>140650794535280+&#45;&gt;140650794535280</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1520.69,-912.5C1528.37,-912.5 1537.26,-912.5 1546.7,-912.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1546.5,-916 1556.5,-912.5 1546.5,-909 1546.5,-916\"/>\n",
       "</g>\n",
       "<!-- 140650794535472 -->\n",
       "<g id=\"node54\" class=\"node\">\n",
       "<title>140650794535472</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1245,-839.5 1245,-875.5 1425.75,-875.5 1425.75,-839.5 1245,-839.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1254.88\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1264.75,-840 1264.75,-875.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 3.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1344.5,-840 1344.5,-875.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1385.12\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535472&#45;&gt;140650794535520* -->\n",
       "<g id=\"edge146\" class=\"edge\">\n",
       "<title>140650794535472&#45;&gt;140650794535520*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1426.14,-857.5C1436.1,-857.5 1445.79,-857.5 1454.55,-857.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1454.34,-861 1464.34,-857.5 1454.34,-854 1454.34,-861\"/>\n",
       "</g>\n",
       "<!-- 140650794535520 -->\n",
       "<g id=\"node55\" class=\"node\">\n",
       "<title>140650794535520</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1560.75,-839.5 1560.75,-875.5 1741.5,-875.5 1741.5,-839.5 1560.75,-839.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1570.62\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1580.5,-840 1580.5,-875.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.8475</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-840 1660.25,-875.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535520&#45;&gt;140650794535712+ -->\n",
       "<g id=\"edge164\" class=\"edge\">\n",
       "<title>140650794535520&#45;&gt;140650794535712+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1741.89,-857.5C1751.85,-857.5 1761.54,-857.5 1770.3,-857.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.09,-861 1780.09,-857.5 1770.09,-854 1770.09,-861\"/>\n",
       "</g>\n",
       "<!-- 140650794535520*&#45;&gt;140650794535520 -->\n",
       "<g id=\"edge18\" class=\"edge\">\n",
       "<title>140650794535520*&#45;&gt;140650794535520</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1520.69,-857.5C1528.98,-857.5 1538.68,-857.5 1548.98,-857.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1548.83,-861 1558.83,-857.5 1548.83,-854 1548.83,-861\"/>\n",
       "</g>\n",
       "<!-- 140650661972624 -->\n",
       "<g id=\"node57\" class=\"node\">\n",
       "<title>140650661972624</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"0,-567.5 0,-603.5 180.75,-603.5 180.75,-567.5 0,-567.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"9.88\" y=\"-580.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"19.75,-568 19.75,-603.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"59.62\" y=\"-580.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6024</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"99.5,-568 99.5,-603.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"140.12\" y=\"-580.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0380</text>\n",
       "</g>\n",
       "<!-- 140650938506336* -->\n",
       "<g id=\"node182\" class=\"node\">\n",
       "<title>140650938506336*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"243.75\" cy=\"-557.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"243.75\" y=\"-552.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661972624&#45;&gt;140650938506336* -->\n",
       "<g id=\"edge196\" class=\"edge\">\n",
       "<title>140650661972624&#45;&gt;140650938506336*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M181.18,-568.89C189.97,-567.26 198.5,-565.68 206.27,-564.25\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"206.73,-567.72 215.92,-562.46 205.46,-560.84 206.73,-567.72\"/>\n",
       "</g>\n",
       "<!-- 140650793601776 -->\n",
       "<g id=\"node58\" class=\"node\">\n",
       "<title>140650793601776</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"931.5,-484.5 931.5,-520.5 1112.25,-520.5 1112.25,-484.5 931.5,-484.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"941.38\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"951.25,-485 951.25,-520.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.5586</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1031,-485 1031,-520.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650793613968+ -->\n",
       "<g id=\"node169\" class=\"node\">\n",
       "<title>140650793613968+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1177.5\" cy=\"-468.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1177.5\" y=\"-463.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650793601776&#45;&gt;140650793613968+ -->\n",
       "<g id=\"edge178\" class=\"edge\">\n",
       "<title>140650793601776&#45;&gt;140650793613968+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1106.43,-484.01C1118.4,-481.36 1130.14,-478.76 1140.49,-476.47\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1141.04,-479.93 1150.05,-474.35 1139.53,-473.1 1141.04,-479.93\"/>\n",
       "</g>\n",
       "<!-- 140650793601776+&#45;&gt;140650793601776 -->\n",
       "<g id=\"edge19\" class=\"edge\">\n",
       "<title>140650793601776+&#45;&gt;140650793601776</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M893.66,-502.5C901.37,-502.5 910.29,-502.5 919.76,-502.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"919.57,-506 929.57,-502.5 919.57,-499 919.57,-506\"/>\n",
       "</g>\n",
       "<!-- 140650794535712 -->\n",
       "<g id=\"node60\" class=\"node\">\n",
       "<title>140650794535712</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-839.5 1874.25,-875.5 2059.5,-875.5 2059.5,-839.5 1874.25,-839.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-840 1894,-875.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.8861</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1978.25,-840 1978.25,-875.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-852.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794536144+ -->\n",
       "<g id=\"node68\" class=\"node\">\n",
       "<title>140650794536144+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-747.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-742.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794535712&#45;&gt;140650794536144+ -->\n",
       "<g id=\"edge121\" class=\"edge\">\n",
       "<title>140650794535712&#45;&gt;140650794536144+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2047.72,-839.1C2052.66,-836.59 2057.4,-833.74 2061.75,-830.5 2085.49,-812.84 2079.4,-797.71 2097.75,-774.5 2098.78,-773.19 2099.87,-771.88 2100.99,-770.56\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2103.47,-773.04 2107.61,-763.28 2098.3,-768.33 2103.47,-773.04\"/>\n",
       "</g>\n",
       "<!-- 140650794535712+&#45;&gt;140650794535712 -->\n",
       "<g id=\"edge20\" class=\"edge\">\n",
       "<title>140650794535712+&#45;&gt;140650794535712</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1836.44,-857.5C1844.12,-857.5 1853.01,-857.5 1862.45,-857.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1862.25,-861 1872.25,-857.5 1862.25,-854 1862.25,-861\"/>\n",
       "</g>\n",
       "<!-- 140650794535904 -->\n",
       "<g id=\"node62\" class=\"node\">\n",
       "<title>140650794535904</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1558.5,-784.5 1558.5,-820.5 1743.75,-820.5 1743.75,-784.5 1558.5,-784.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1568.38\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1578.25,-785 1578.25,-820.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1662.5,-785 1662.5,-820.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1703.12\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535952* -->\n",
       "<g id=\"node66\" class=\"node\">\n",
       "<title>140650794535952*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-802.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-797.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794535904&#45;&gt;140650794535952* -->\n",
       "<g id=\"edge97\" class=\"edge\">\n",
       "<title>140650794535904&#45;&gt;140650794535952*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1744.15,-802.5C1753.36,-802.5 1762.3,-802.5 1770.43,-802.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.19,-806 1780.19,-802.5 1770.19,-799 1770.19,-806\"/>\n",
       "</g>\n",
       "<!-- 140650661972960 -->\n",
       "<g id=\"node63\" class=\"node\">\n",
       "<title>140650661972960</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"309,-704.5 309,-740.5 489.75,-740.5 489.75,-704.5 309,-704.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"318.88\" y=\"-717.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"328.75,-705 328.75,-740.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"368.62\" y=\"-717.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6198</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"408.5,-705 408.5,-740.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"449.12\" y=\"-717.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0569</text>\n",
       "</g>\n",
       "<!-- 140651728197216* -->\n",
       "<g id=\"node128\" class=\"node\">\n",
       "<title>140651728197216*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"555\" cy=\"-667.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"555\" y=\"-662.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661972960&#45;&gt;140651728197216* -->\n",
       "<g id=\"edge116\" class=\"edge\">\n",
       "<title>140650661972960&#45;&gt;140651728197216*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M466.79,-704.11C475.33,-701.4 483.92,-698.5 492,-695.5 501.98,-691.8 512.61,-687.23 522.2,-682.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"523.53,-686.11 531.13,-678.73 520.58,-679.77 523.53,-686.11\"/>\n",
       "</g>\n",
       "<!-- 140650661981168 -->\n",
       "<g id=\"node64\" class=\"node\">\n",
       "<title>140650661981168</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3437.25,-479.5 3437.25,-515.5 3627,-515.5 3627,-479.5 3437.25,-479.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3447.12\" y=\"-492.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3457,-480 3457,-515.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3499.12\" y=\"-492.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2929</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3541.25,-480 3541.25,-515.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3584.12\" y=\"-492.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1894</text>\n",
       "</g>\n",
       "<!-- 140650794359424* -->\n",
       "<g id=\"node167\" class=\"node\">\n",
       "<title>140650794359424*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3690\" cy=\"-493.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3690\" y=\"-488.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661981168&#45;&gt;140650794359424* -->\n",
       "<g id=\"edge85\" class=\"edge\">\n",
       "<title>140650661981168&#45;&gt;140650794359424*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3627.39,-495.08C3635.71,-494.87 3643.76,-494.66 3651.16,-494.47\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3651.12,-497.97 3661.02,-494.22 3650.94,-490.98 3651.12,-497.97\"/>\n",
       "</g>\n",
       "<!-- 140650794535952 -->\n",
       "<g id=\"node65\" class=\"node\">\n",
       "<title>140650794535952</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-784.5 1874.25,-820.5 2059.5,-820.5 2059.5,-784.5 1874.25,-784.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-785 1894,-820.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7514</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1978.25,-785 1978.25,-820.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-797.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794535952&#45;&gt;140650794536144+ -->\n",
       "<g id=\"edge127\" class=\"edge\">\n",
       "<title>140650794535952&#45;&gt;140650794536144+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2036.44,-784.03C2045.02,-781.35 2053.63,-778.48 2061.75,-775.5 2071.74,-771.83 2082.37,-767.28 2091.97,-762.91\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2093.3,-766.15 2100.89,-758.77 2090.35,-759.81 2093.3,-766.15\"/>\n",
       "</g>\n",
       "<!-- 140650794535952*&#45;&gt;140650794535952 -->\n",
       "<g id=\"edge21\" class=\"edge\">\n",
       "<title>140650794535952*&#45;&gt;140650794535952</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1836.44,-802.5C1844.12,-802.5 1853.01,-802.5 1862.45,-802.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1862.25,-806 1872.25,-802.5 1862.25,-799 1862.25,-806\"/>\n",
       "</g>\n",
       "<!-- 140650794536144 -->\n",
       "<g id=\"node67\" class=\"node\">\n",
       "<title>140650794536144</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-701.5 2190,-737.5 2375.25,-737.5 2375.25,-701.5 2190,-701.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-714.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-702 2209.75,-737.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-714.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.6375</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-702 2294,-737.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-714.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794536240tanh -->\n",
       "<g id=\"node71\" class=\"node\">\n",
       "<title>140650794536240tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-704.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-699.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140650794536144&#45;&gt;140650794536240tanh -->\n",
       "<g id=\"edge105\" class=\"edge\">\n",
       "<title>140650794536144&#45;&gt;140650794536240tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2375.65,-710.64C2384.95,-709.75 2393.97,-708.88 2402.17,-708.09\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2402.38,-711.59 2412,-707.15 2401.71,-704.62 2402.38,-711.59\"/>\n",
       "</g>\n",
       "<!-- 140650794536144+&#45;&gt;140650794536144 -->\n",
       "<g id=\"edge22\" class=\"edge\">\n",
       "<title>140650794536144+&#45;&gt;140650794536144</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2151.14,-742.94C2159.19,-741.49 2168.63,-739.8 2178.7,-737.99\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2179.11,-741.47 2188.34,-736.26 2177.88,-734.58 2179.11,-741.47\"/>\n",
       "</g>\n",
       "<!-- 140650661981456 -->\n",
       "<g id=\"node69\" class=\"node\">\n",
       "<title>140650661981456</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-289.5 1874.25,-325.5 2059.5,-325.5 2059.5,-289.5 1874.25,-289.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-302.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-290 1894,-325.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1933.88\" y=\"-302.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1864</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1973.75,-290 1973.75,-325.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2016.62\" y=\"-302.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1934</text>\n",
       "</g>\n",
       "<!-- 140650794540176+ -->\n",
       "<g id=\"node184\" class=\"node\">\n",
       "<title>140650794540176+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-362.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-357.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650661981456&#45;&gt;140650794540176+ -->\n",
       "<g id=\"edge132\" class=\"edge\">\n",
       "<title>140650661981456&#45;&gt;140650794540176+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2036.44,-325.97C2045.02,-328.65 2053.63,-331.52 2061.75,-334.5 2071.74,-338.17 2082.37,-342.72 2091.97,-347.09\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2090.35,-350.19 2100.89,-351.23 2093.3,-343.85 2090.35,-350.19\"/>\n",
       "</g>\n",
       "<!-- 140650794536240 -->\n",
       "<g id=\"node70\" class=\"node\">\n",
       "<title>140650794536240</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-672.5 2503.5,-708.5 2688.75,-708.5 2688.75,-672.5 2503.5,-672.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-685.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-673 2523.25,-708.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-685.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.9271</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-673 2607.5,-708.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-685.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794536240&#45;&gt;140650794541136* -->\n",
       "<g id=\"edge109\" class=\"edge\">\n",
       "<title>140650794536240&#45;&gt;140650794541136*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2663.54,-672.11C2672.08,-669.4 2680.67,-666.5 2688.75,-663.5 2698.73,-659.8 2709.36,-655.23 2718.95,-650.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2720.28,-654.11 2727.88,-646.73 2717.33,-647.77 2720.28,-654.11\"/>\n",
       "</g>\n",
       "<!-- 140650794536240&#45;&gt;140650794361728* -->\n",
       "<g id=\"edge191\" class=\"edge\">\n",
       "<title>140650794536240&#45;&gt;140650794361728*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2677.77,-672.09C2681.72,-669.58 2685.42,-666.73 2688.75,-663.5 2725.66,-627.67 2698.64,-597.82 2724.75,-553.5 2725.72,-551.85 2726.81,-550.22 2727.96,-548.61\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2730.5,-551.04 2734.18,-541.1 2725.11,-546.58 2730.5,-551.04\"/>\n",
       "</g>\n",
       "<!-- 140650794537680* -->\n",
       "<g id=\"node104\" class=\"node\">\n",
       "<title>140650794537680*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-745.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-740.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794536240&#45;&gt;140650794537680* -->\n",
       "<g id=\"edge169\" class=\"edge\">\n",
       "<title>140650794536240&#45;&gt;140650794537680*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2660.53,-708.84C2670.05,-711.89 2679.7,-715.16 2688.75,-718.5 2698.59,-722.13 2709.12,-726.52 2718.65,-730.69\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2716.96,-733.77 2727.52,-734.64 2719.81,-727.38 2716.96,-733.77\"/>\n",
       "</g>\n",
       "<!-- 140650794539408* -->\n",
       "<g id=\"node160\" class=\"node\">\n",
       "<title>140650794539408*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-690.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-685.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794536240&#45;&gt;140650794539408* -->\n",
       "<g id=\"edge158\" class=\"edge\">\n",
       "<title>140650794536240&#45;&gt;140650794539408*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2689.15,-690.5C2697.52,-690.5 2705.64,-690.5 2713.09,-690.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2713.03,-694 2723.03,-690.5 2713.03,-687 2713.03,-694\"/>\n",
       "</g>\n",
       "<!-- 140650794536240tanh&#45;&gt;140650794536240 -->\n",
       "<g id=\"edge23\" class=\"edge\">\n",
       "<title>140650794536240tanh&#45;&gt;140650794536240</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2467.56,-702.13C2474.72,-701.47 2482.95,-700.72 2491.71,-699.92\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2491.89,-703.42 2501.53,-699.03 2491.25,-696.45 2491.89,-703.42\"/>\n",
       "</g>\n",
       "<!-- 140650794356016 -->\n",
       "<g id=\"node72\" class=\"node\">\n",
       "<title>140650794356016</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3753,-644.5 3753,-680.5 3938.25,-680.5 3938.25,-644.5 3753,-644.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3762.88\" y=\"-657.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3772.75,-645 3772.75,-680.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3814.88\" y=\"-657.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5221</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3857,-645 3857,-680.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3897.62\" y=\"-657.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794356016&#45;&gt;140650794356976+ -->\n",
       "<g id=\"edge130\" class=\"edge\">\n",
       "<title>140650794356016&#45;&gt;140650794356976+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3920.24,-644.03C3957.25,-634.75 4000.42,-623.92 4030.1,-616.47\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4030.84,-619.9 4039.69,-614.07 4029.14,-613.11 4030.84,-619.9\"/>\n",
       "</g>\n",
       "<!-- 140650794356016* -->\n",
       "<g id=\"node73\" class=\"node\">\n",
       "<title>140650794356016*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3690\" cy=\"-662.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3690\" y=\"-657.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794356016*&#45;&gt;140650794356016 -->\n",
       "<g id=\"edge24\" class=\"edge\">\n",
       "<title>140650794356016*&#45;&gt;140650794356016</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3717.41,-662.5C3724.45,-662.5 3732.5,-662.5 3741.05,-662.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3741.04,-666 3751.04,-662.5 3741.04,-659 3741.04,-666\"/>\n",
       "</g>\n",
       "<!-- 140650794536528 -->\n",
       "<g id=\"node74\" class=\"node\">\n",
       "<title>140650794536528</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-729.5 1874.25,-765.5 2059.5,-765.5 2059.5,-729.5 1874.25,-729.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-742.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-730 1894,-765.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-742.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1081</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1978.25,-730 1978.25,-765.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-742.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794536720+ -->\n",
       "<g id=\"node81\" class=\"node\">\n",
       "<title>140650794536720+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-801.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-796.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794536528&#45;&gt;140650794536720+ -->\n",
       "<g id=\"edge187\" class=\"edge\">\n",
       "<title>140650794536528&#45;&gt;140650794536720+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2033.06,-765.96C2042.73,-768.98 2052.54,-772.21 2061.75,-775.5 2071.39,-778.95 2081.7,-783.08 2091.09,-787.03\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2089.63,-790.22 2100.2,-790.93 2092.39,-783.78 2089.63,-790.22\"/>\n",
       "</g>\n",
       "<!-- 140650794536528*&#45;&gt;140650794536528 -->\n",
       "<g id=\"edge25\" class=\"edge\">\n",
       "<title>140650794536528*&#45;&gt;140650794536528</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1831.49,-703.13C1843.28,-708.72 1858.25,-715.45 1872,-720.5 1876.69,-722.22 1881.55,-723.91 1886.47,-725.54\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1885.28,-728.83 1895.87,-728.56 1887.42,-722.17 1885.28,-728.83\"/>\n",
       "</g>\n",
       "<!-- 140650661981792 -->\n",
       "<g id=\"node76\" class=\"node\">\n",
       "<title>140650661981792</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"618,-83.5 618,-119.5 803.25,-119.5 803.25,-83.5 618,-83.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"627.88\" y=\"-96.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"637.75,-84 637.75,-119.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-96.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2239</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"722,-84 722,-119.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"762.62\" y=\"-96.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.3087</text>\n",
       "</g>\n",
       "<!-- 140650661983424* -->\n",
       "<g id=\"node112\" class=\"node\">\n",
       "<title>140650661983424*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"866.25\" cy=\"-73.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"866.25\" y=\"-68.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661981792&#45;&gt;140650661983424* -->\n",
       "<g id=\"edge106\" class=\"edge\">\n",
       "<title>140650661981792&#45;&gt;140650661983424*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M803.65,-84.73C812.39,-83.13 820.86,-81.59 828.58,-80.18\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"828.95,-83.67 838.16,-78.44 827.69,-76.79 828.95,-83.67\"/>\n",
       "</g>\n",
       "<!-- 140651728195248 -->\n",
       "<g id=\"node77\" class=\"node\">\n",
       "<title>140651728195248</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"620.25,-484.5 620.25,-520.5 801,-520.5 801,-484.5 620.25,-484.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"630.12\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"640,-485 640,-520.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 1.2910</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"719.75,-485 719.75,-520.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-497.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728195248&#45;&gt;140650793601776+ -->\n",
       "<g id=\"edge147\" class=\"edge\">\n",
       "<title>140651728195248&#45;&gt;140650793601776+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M801.43,-502.5C810.61,-502.5 819.53,-502.5 827.65,-502.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"827.4,-506 837.4,-502.5 827.4,-499 827.4,-506\"/>\n",
       "</g>\n",
       "<!-- 140651728195248*&#45;&gt;140651728195248 -->\n",
       "<g id=\"edge26\" class=\"edge\">\n",
       "<title>140651728195248*&#45;&gt;140651728195248</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M582.41,-502.5C590.12,-502.5 599.04,-502.5 608.51,-502.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"608.32,-506 618.32,-502.5 608.32,-499 608.32,-506\"/>\n",
       "</g>\n",
       "<!-- 140650661973728 -->\n",
       "<g id=\"node79\" class=\"node\">\n",
       "<title>140650661973728</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1558.5,-729.5 1558.5,-765.5 1743.75,-765.5 1743.75,-729.5 1558.5,-729.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1568.38\" y=\"-742.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1578.25,-730 1578.25,-765.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1618.12\" y=\"-742.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.7514</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1658,-730 1658,-765.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-742.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0195</text>\n",
       "</g>\n",
       "<!-- 140650661973728&#45;&gt;140650794535952* -->\n",
       "<g id=\"edge156\" class=\"edge\">\n",
       "<title>140650661973728&#45;&gt;140650794535952*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1717.6,-765.92C1727.19,-768.94 1736.89,-772.17 1746,-775.5 1755.85,-779.1 1766.38,-783.48 1775.92,-787.65\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1774.23,-790.73 1784.79,-791.61 1777.08,-784.34 1774.23,-790.73\"/>\n",
       "</g>\n",
       "<!-- 140650794536720 -->\n",
       "<g id=\"node80\" class=\"node\">\n",
       "<title>140650794536720</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2192.25,-756.5 2192.25,-792.5 2373,-792.5 2373,-756.5 2192.25,-756.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2202.12\" y=\"-769.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2212,-757 2212,-792.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-769.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.8160</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2291.75,-757 2291.75,-792.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2332.38\" y=\"-769.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537104+ -->\n",
       "<g id=\"node89\" class=\"node\">\n",
       "<title>140650794537104+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-582.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-577.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794536720&#45;&gt;140650794537104+ -->\n",
       "<g id=\"edge176\" class=\"edge\">\n",
       "<title>140650794536720&#45;&gt;140650794537104+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2366.08,-756.06C2370.16,-753.56 2374.01,-750.72 2377.5,-747.5 2397.95,-728.62 2420.64,-653.26 2432.06,-611.22\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2435.38,-612.35 2434.58,-601.79 2428.62,-610.54 2435.38,-612.35\"/>\n",
       "</g>\n",
       "<!-- 140650794536720+&#45;&gt;140650794536720 -->\n",
       "<g id=\"edge27\" class=\"edge\">\n",
       "<title>140650794536720+&#45;&gt;140650794536720</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2151.14,-797.1C2159.75,-795.61 2169.95,-793.84 2180.81,-791.96\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2181.09,-795.47 2190.35,-790.31 2179.9,-788.57 2181.09,-795.47\"/>\n",
       "</g>\n",
       "<!-- 140650794356688 -->\n",
       "<g id=\"node82\" class=\"node\">\n",
       "<title>140650794356688</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3439.5,-369.5 3439.5,-405.5 3624.75,-405.5 3624.75,-369.5 3439.5,-369.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3449.38\" y=\"-382.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3459.25,-370 3459.25,-405.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3501.38\" y=\"-382.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.6356</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3543.5,-370 3543.5,-405.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3584.12\" y=\"-382.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794360528* -->\n",
       "<g id=\"node194\" class=\"node\">\n",
       "<title>140650794360528*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3690\" cy=\"-387.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3690\" y=\"-382.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794356688&#45;&gt;140650794360528* -->\n",
       "<g id=\"edge198\" class=\"edge\">\n",
       "<title>140650794356688&#45;&gt;140650794360528*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3625.15,-387.5C3634.36,-387.5 3643.3,-387.5 3651.43,-387.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3651.19,-391 3661.19,-387.5 3651.19,-384 3651.19,-391\"/>\n",
       "</g>\n",
       "<!-- 140650794356688tanh&#45;&gt;140650794356688 -->\n",
       "<g id=\"edge28\" class=\"edge\">\n",
       "<title>140650794356688tanh&#45;&gt;140650794356688</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3401.69,-387.5C3409.37,-387.5 3418.26,-387.5 3427.7,-387.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3427.5,-391 3437.5,-387.5 3427.5,-384 3427.5,-391\"/>\n",
       "</g>\n",
       "<!-- 140650794536912 -->\n",
       "<g id=\"node84\" class=\"node\">\n",
       "<title>140650794536912</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-564.5 2190,-600.5 2375.25,-600.5 2375.25,-564.5 2190,-564.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-565 2209.75,-600.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1842</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-565 2294,-600.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794536912&#45;&gt;140650794537104+ -->\n",
       "<g id=\"edge135\" class=\"edge\">\n",
       "<title>140650794536912&#45;&gt;140650794537104+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2375.65,-582.5C2384.86,-582.5 2393.8,-582.5 2401.93,-582.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.69,-586 2411.69,-582.5 2401.69,-579 2401.69,-586\"/>\n",
       "</g>\n",
       "<!-- 140650794536912* -->\n",
       "<g id=\"node85\" class=\"node\">\n",
       "<title>140650794536912*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-582.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-577.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650794536912*&#45;&gt;140650794536912 -->\n",
       "<g id=\"edge29\" class=\"edge\">\n",
       "<title>140650794536912*&#45;&gt;140650794536912</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.19,-582.5C2159.87,-582.5 2168.76,-582.5 2178.2,-582.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2178,-586 2188,-582.5 2178,-579 2178,-586\"/>\n",
       "</g>\n",
       "<!-- 140650793603216 -->\n",
       "<g id=\"node86\" class=\"node\">\n",
       "<title>140650793603216</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"931.5,-429.5 931.5,-465.5 1112.25,-465.5 1112.25,-429.5 931.5,-429.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"941.38\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"951.25,-430 951.25,-465.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.2492</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1031,-430 1031,-465.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650793603216&#45;&gt;140650793613968+ -->\n",
       "<g id=\"edge179\" class=\"edge\">\n",
       "<title>140650793603216&#45;&gt;140650793613968+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1112.68,-459.78C1122.15,-461.07 1131.34,-462.33 1139.66,-463.46\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1138.9,-466.89 1149.28,-464.78 1139.85,-459.96 1138.9,-466.89\"/>\n",
       "</g>\n",
       "<!-- 140650793603216* -->\n",
       "<g id=\"node87\" class=\"node\">\n",
       "<title>140650793603216*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"866.25\" cy=\"-447.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"866.25\" y=\"-442.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650793603216*&#45;&gt;140650793603216 -->\n",
       "<g id=\"edge30\" class=\"edge\">\n",
       "<title>140650793603216*&#45;&gt;140650793603216</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M893.66,-447.5C901.37,-447.5 910.29,-447.5 919.76,-447.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"919.57,-451 929.57,-447.5 919.57,-444 919.57,-451\"/>\n",
       "</g>\n",
       "<!-- 140650794537104 -->\n",
       "<g id=\"node88\" class=\"node\">\n",
       "<title>140650794537104</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2505.75,-562.5 2505.75,-598.5 2686.5,-598.5 2686.5,-562.5 2505.75,-562.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2515.62\" y=\"-575.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2525.5,-563 2525.5,-598.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-575.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6317</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2605.25,-563 2605.25,-598.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2645.88\" y=\"-575.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537488+ -->\n",
       "<g id=\"node97\" class=\"node\">\n",
       "<title>140650794537488+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-580.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-575.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794537104&#45;&gt;140650794537488+ -->\n",
       "<g id=\"edge120\" class=\"edge\">\n",
       "<title>140650794537104&#45;&gt;140650794537488+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2686.93,-580.5C2696.11,-580.5 2705.03,-580.5 2713.15,-580.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2712.9,-584 2722.9,-580.5 2712.9,-577 2712.9,-584\"/>\n",
       "</g>\n",
       "<!-- 140650794537104+&#45;&gt;140650794537104 -->\n",
       "<g id=\"edge31\" class=\"edge\">\n",
       "<title>140650794537104+&#45;&gt;140650794537104</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2467.91,-582.16C2475.62,-582.06 2484.54,-581.94 2494.01,-581.82\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2493.87,-585.32 2503.82,-581.69 2493.78,-578.32 2493.87,-585.32\"/>\n",
       "</g>\n",
       "<!-- 140650794356976 -->\n",
       "<g id=\"node90\" class=\"node\">\n",
       "<title>140650794356976</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"4195.5,-585.5 4195.5,-621.5 4380.75,-621.5 4380.75,-585.5 4195.5,-585.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4205.38\" y=\"-598.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4215.25,-586 4215.25,-621.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4257.38\" y=\"-598.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7250</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4299.5,-586 4299.5,-621.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4340.12\" y=\"-598.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794360048+ -->\n",
       "<g id=\"node186\" class=\"node\">\n",
       "<title>140650794360048+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"4443.75\" cy=\"-552.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"4443.75\" y=\"-547.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794356976&#45;&gt;140650794360048+ -->\n",
       "<g id=\"edge189\" class=\"edge\">\n",
       "<title>140650794356976&#45;&gt;140650794360048+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4344.59,-585.09C4365.9,-578.01 4389.59,-570.15 4408.36,-563.92\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4409.24,-567.31 4417.63,-560.84 4407.03,-560.67 4409.24,-567.31\"/>\n",
       "</g>\n",
       "<!-- 140650794356976+&#45;&gt;140650794356976 -->\n",
       "<g id=\"edge32\" class=\"edge\">\n",
       "<title>140650794356976+&#45;&gt;140650794356976</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4094.32,-607.02C4116.94,-606.6 4151.01,-605.98 4184.25,-605.38\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4184.02,-608.88 4193.96,-605.2 4183.89,-601.88 4184.02,-608.88\"/>\n",
       "</g>\n",
       "<!-- 140650794537296 -->\n",
       "<g id=\"node92\" class=\"node\">\n",
       "<title>140650794537296</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-397.5 2503.5,-433.5 2688.75,-433.5 2688.75,-397.5 2503.5,-397.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-410.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-398 2523.25,-433.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-410.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0978</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-398 2607.5,-433.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-410.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537296&#45;&gt;140650794537488+ -->\n",
       "<g id=\"edge200\" class=\"edge\">\n",
       "<title>140650794537296&#45;&gt;140650794537488+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2677.77,-433.91C2681.72,-436.42 2685.42,-439.27 2688.75,-442.5 2725.66,-478.33 2698.64,-508.18 2724.75,-552.5 2725.72,-554.15 2726.81,-555.78 2727.96,-557.39\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2725.11,-559.42 2734.18,-564.9 2730.5,-554.96 2725.11,-559.42\"/>\n",
       "</g>\n",
       "<!-- 140650794537296*&#45;&gt;140650794537296 -->\n",
       "<g id=\"edge33\" class=\"edge\">\n",
       "<title>140650794537296*&#45;&gt;140650794537296</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2463.71,-372C2475.44,-376.88 2490.15,-382.78 2503.5,-387.5 2509.28,-389.55 2515.3,-391.58 2521.37,-393.57\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2520.26,-396.89 2530.85,-396.63 2522.41,-390.23 2520.26,-396.89\"/>\n",
       "</g>\n",
       "<!-- 140650793603456 -->\n",
       "<g id=\"node94\" class=\"node\">\n",
       "<title>140650793603456</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"929.25,-374.5 929.25,-410.5 1114.5,-410.5 1114.5,-374.5 929.25,-374.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"939.12\" y=\"-387.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"949,-375 949,-410.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-387.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1033.25,-375 1033.25,-410.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1073.88\" y=\"-387.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650793603456&#45;&gt;140650793600816* -->\n",
       "<g id=\"edge98\" class=\"edge\">\n",
       "<title>140650793603456&#45;&gt;140650793600816*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1114.9,-392.5C1123.27,-392.5 1131.39,-392.5 1138.84,-392.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1138.78,-396 1148.78,-392.5 1138.78,-389 1138.78,-396\"/>\n",
       "</g>\n",
       "<!-- 140650661974496 -->\n",
       "<g id=\"node95\" class=\"node\">\n",
       "<title>140650661974496</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1872,-124.5 1872,-160.5 2061.75,-160.5 2061.75,-124.5 1872,-124.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1881.88\" y=\"-137.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1891.75,-125 1891.75,-160.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1933.88\" y=\"-137.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7688</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-125 1976,-160.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-137.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0571</text>\n",
       "</g>\n",
       "<!-- 140650661974496&#45;&gt;140650794358656+ -->\n",
       "<g id=\"edge95\" class=\"edge\">\n",
       "<title>140650661974496&#45;&gt;140650794358656+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2036.44,-160.97C2045.02,-163.65 2053.63,-166.52 2061.75,-169.5 2071.74,-173.17 2082.37,-177.72 2091.97,-182.09\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2090.35,-185.19 2100.89,-186.23 2093.3,-178.85 2090.35,-185.19\"/>\n",
       "</g>\n",
       "<!-- 140650794537488 -->\n",
       "<g id=\"node96\" class=\"node\">\n",
       "<title>140650794537488</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2817,-562.5 2817,-598.5 2997.75,-598.5 2997.75,-562.5 2817,-562.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2826.88\" y=\"-575.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2836.75,-563 2836.75,-598.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-575.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.5340</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2916.5,-563 2916.5,-598.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2957.12\" y=\"-575.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537872+ -->\n",
       "<g id=\"node106\" class=\"node\">\n",
       "<title>140650794537872+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3063\" cy=\"-717.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3063\" y=\"-712.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794537488&#45;&gt;140650794537872+ -->\n",
       "<g id=\"edge82\" class=\"edge\">\n",
       "<title>140650794537488&#45;&gt;140650794537872+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2985.17,-598.94C2990.44,-601.69 2995.46,-604.86 3000,-608.5 3026.09,-629.38 3043.18,-664.41 3052.69,-689.11\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3049.29,-690.03 3056.01,-698.22 3055.87,-687.63 3049.29,-690.03\"/>\n",
       "</g>\n",
       "<!-- 140650794537488+&#45;&gt;140650794537488 -->\n",
       "<g id=\"edge34\" class=\"edge\">\n",
       "<title>140650794537488+&#45;&gt;140650794537488</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-580.5C2786.87,-580.5 2795.79,-580.5 2805.26,-580.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2805.07,-584 2815.07,-580.5 2805.07,-577 2805.07,-584\"/>\n",
       "</g>\n",
       "<!-- 140650661974592 -->\n",
       "<g id=\"node98\" class=\"node\">\n",
       "<title>140650661974592</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3439.5,-589.5 3439.5,-625.5 3624.75,-625.5 3624.75,-589.5 3439.5,-589.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3449.38\" y=\"-602.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3459.25,-590 3459.25,-625.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3499.12\" y=\"-602.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1415</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3539,-590 3539,-625.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3581.88\" y=\"-602.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.2010</text>\n",
       "</g>\n",
       "<!-- 140650794360240* -->\n",
       "<g id=\"node190\" class=\"node\">\n",
       "<title>140650794360240*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3690\" cy=\"-552.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3690\" y=\"-547.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661974592&#45;&gt;140650794360240* -->\n",
       "<g id=\"edge163\" class=\"edge\">\n",
       "<title>140650661974592&#45;&gt;140650794360240*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3601.69,-589.03C3610.27,-586.35 3618.88,-583.48 3627,-580.5 3636.99,-576.83 3647.62,-572.28 3657.22,-567.91\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3658.55,-571.15 3666.14,-563.77 3655.6,-564.81 3658.55,-571.15\"/>\n",
       "</g>\n",
       "<!-- 140650661974640 -->\n",
       "<g id=\"node99\" class=\"node\">\n",
       "<title>140650661974640</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1876.5,-454.5 1876.5,-490.5 2057.25,-490.5 2057.25,-454.5 1876.5,-454.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1886.38\" y=\"-467.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1896.25,-455 1896.25,-490.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-467.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.5534</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-455 1976,-490.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2016.62\" y=\"-467.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650661974640&#45;&gt;140650794536912* -->\n",
       "<g id=\"edge104\" class=\"edge\">\n",
       "<title>140650661974640&#45;&gt;140650794536912*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2045.79,-490.93C2051.43,-493.69 2056.83,-496.86 2061.75,-500.5 2084.95,-517.64 2079.88,-531.86 2097.75,-554.5 2098.94,-556 2100.19,-557.52 2101.47,-559.04\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2098.72,-561.21 2107.98,-566.36 2103.95,-556.56 2098.72,-561.21\"/>\n",
       "</g>\n",
       "<!-- 140650661974640&#45;&gt;140650794358224* -->\n",
       "<g id=\"edge87\" class=\"edge\">\n",
       "<title>140650661974640&#45;&gt;140650794358224*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2049.22,-454.17C2053.75,-451.39 2057.98,-448.19 2061.75,-444.5 2063.26,-443.02 2097.85,-334.29 2114.69,-281.13\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2117.95,-282.42 2117.64,-271.83 2111.28,-280.31 2117.95,-282.42\"/>\n",
       "</g>\n",
       "<!-- 140650794538640* -->\n",
       "<g id=\"node132\" class=\"node\">\n",
       "<title>140650794538640*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2124.75\" cy=\"-527.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2124.75\" y=\"-522.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661974640&#45;&gt;140650794538640* -->\n",
       "<g id=\"edge90\" class=\"edge\">\n",
       "<title>140650661974640&#45;&gt;140650794538640*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2033.35,-490.92C2042.94,-493.94 2052.64,-497.17 2061.75,-500.5 2071.6,-504.1 2082.13,-508.48 2091.67,-512.65\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2089.98,-515.73 2100.54,-516.61 2092.83,-509.34 2089.98,-515.73\"/>\n",
       "</g>\n",
       "<!-- 140650661974640&#45;&gt;140650794540368* -->\n",
       "<g id=\"edge177\" class=\"edge\">\n",
       "<title>140650661974640&#45;&gt;140650794540368*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2057.64,-472.5C2067.6,-472.5 2077.29,-472.5 2086.05,-472.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.84,-476 2095.84,-472.5 2085.84,-469 2085.84,-476\"/>\n",
       "</g>\n",
       "<!-- 140650661974640tanh&#45;&gt;140650661974640 -->\n",
       "<g id=\"edge35\" class=\"edge\">\n",
       "<title>140650661974640tanh&#45;&gt;140650661974640</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1836.44,-470.01C1844.73,-470.17 1854.43,-470.36 1864.73,-470.55\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1864.52,-474.05 1874.58,-470.74 1864.65,-467.05 1864.52,-474.05\"/>\n",
       "</g>\n",
       "<!-- 140650661974736 -->\n",
       "<g id=\"node101\" class=\"node\">\n",
       "<title>140650661974736</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"620.25,-429.5 620.25,-465.5 801,-465.5 801,-429.5 620.25,-429.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"630.12\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"640,-430 640,-465.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0831</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"719.75,-430 719.75,-465.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.3050</text>\n",
       "</g>\n",
       "<!-- 140650661974736&#45;&gt;140650793603216* -->\n",
       "<g id=\"edge102\" class=\"edge\">\n",
       "<title>140650661974736&#45;&gt;140650793603216*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M801.43,-447.5C810.61,-447.5 819.53,-447.5 827.65,-447.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"827.4,-451 837.4,-447.5 827.4,-444 827.4,-451\"/>\n",
       "</g>\n",
       "<!-- 140650661982944 -->\n",
       "<g id=\"node102\" class=\"node\">\n",
       "<title>140650661982944</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"929.25,-866.5 929.25,-902.5 1114.5,-902.5 1114.5,-866.5 929.25,-866.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"939.12\" y=\"-879.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"949,-867 949,-902.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-879.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7499</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1033.25,-867 1033.25,-902.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1073.88\" y=\"-879.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0391</text>\n",
       "</g>\n",
       "<!-- 140650661982944&#45;&gt;140650794535088* -->\n",
       "<g id=\"edge84\" class=\"edge\">\n",
       "<title>140650661982944&#45;&gt;140650794535088*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1114.9,-901.27C1123.64,-902.87 1132.11,-904.41 1139.83,-905.82\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1138.94,-909.21 1149.41,-907.56 1140.2,-902.33 1138.94,-909.21\"/>\n",
       "</g>\n",
       "<!-- 140650794537680 -->\n",
       "<g id=\"node103\" class=\"node\">\n",
       "<title>140650794537680</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2817,-727.5 2817,-763.5 2997.75,-763.5 2997.75,-727.5 2817,-727.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2826.88\" y=\"-740.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2836.75,-728 2836.75,-763.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-740.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6732</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2916.5,-728 2916.5,-763.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2957.12\" y=\"-740.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537680&#45;&gt;140650794537872+ -->\n",
       "<g id=\"edge210\" class=\"edge\">\n",
       "<title>140650794537680&#45;&gt;140650794537872+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2998.18,-729.13C3007.73,-727.39 3017.01,-725.7 3025.39,-724.17\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3025.89,-727.64 3035.1,-722.4 3024.64,-720.75 3025.89,-727.64\"/>\n",
       "</g>\n",
       "<!-- 140650794537680*&#45;&gt;140650794537680 -->\n",
       "<g id=\"edge36\" class=\"edge\">\n",
       "<title>140650794537680*&#45;&gt;140650794537680</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-745.5C2786.87,-745.5 2795.79,-745.5 2805.26,-745.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2805.07,-749 2815.07,-745.5 2805.07,-742 2805.07,-749\"/>\n",
       "</g>\n",
       "<!-- 140650794537872 -->\n",
       "<g id=\"node105\" class=\"node\">\n",
       "<title>140650794537872</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3128.25,-699.5 3128.25,-735.5 3309,-735.5 3309,-699.5 3128.25,-699.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3138.12\" y=\"-712.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3148,-700 3148,-735.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3187.88\" y=\"-712.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 1.2071</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3227.75,-700 3227.75,-735.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3268.38\" y=\"-712.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537968tanh -->\n",
       "<g id=\"node110\" class=\"node\">\n",
       "<title>140650794537968tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3374.25\" cy=\"-717.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3374.25\" y=\"-712.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140650794537872&#45;&gt;140650794537968tanh -->\n",
       "<g id=\"edge93\" class=\"edge\">\n",
       "<title>140650794537872&#45;&gt;140650794537968tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3309.43,-717.5C3318.61,-717.5 3327.53,-717.5 3335.65,-717.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3335.4,-721 3345.4,-717.5 3335.4,-714 3335.4,-721\"/>\n",
       "</g>\n",
       "<!-- 140650794537872+&#45;&gt;140650794537872 -->\n",
       "<g id=\"edge37\" class=\"edge\">\n",
       "<title>140650794537872+&#45;&gt;140650794537872</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3090.41,-717.5C3098.12,-717.5 3107.04,-717.5 3116.51,-717.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3116.32,-721 3126.32,-717.5 3116.32,-714 3116.32,-721\"/>\n",
       "</g>\n",
       "<!-- 140650661983136 -->\n",
       "<g id=\"node107\" class=\"node\">\n",
       "<title>140650661983136</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1556.25,-368.5 1556.25,-404.5 1746,-404.5 1746,-368.5 1556.25,-368.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1566.12\" y=\"-381.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1576,-369 1576,-404.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1618.12\" y=\"-381.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2671</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-369 1660.25,-404.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1703.12\" y=\"-381.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1783</text>\n",
       "</g>\n",
       "<!-- 140650794539984* -->\n",
       "<g id=\"node180\" class=\"node\">\n",
       "<title>140650794539984*</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1809\" cy=\"-386.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1809\" y=\"-381.45\" font-family=\"Times,serif\" font-size=\"14.00\">*</text>\n",
       "</g>\n",
       "<!-- 140650661983136&#45;&gt;140650794539984* -->\n",
       "<g id=\"edge199\" class=\"edge\">\n",
       "<title>140650661983136&#45;&gt;140650794539984*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1746.39,-386.5C1754.71,-386.5 1762.76,-386.5 1770.16,-386.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.02,-390 1780.02,-386.5 1770.02,-383 1770.02,-390\"/>\n",
       "</g>\n",
       "<!-- 140650661975024 -->\n",
       "<g id=\"node108\" class=\"node\">\n",
       "<title>140650661975024</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-14.5 2190,-50.5 2375.25,-50.5 2375.25,-14.5 2190,-14.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-27.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-15 2209.75,-50.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2249.62\" y=\"-27.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6292</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2289.5,-15 2289.5,-50.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2332.38\" y=\"-27.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0096</text>\n",
       "</g>\n",
       "<!-- 140650661975024&#45;&gt;140650794362928* -->\n",
       "<g id=\"edge181\" class=\"edge\">\n",
       "<title>140650661975024&#45;&gt;140650794362928*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2353.31,-50.99C2361.54,-53.63 2369.76,-56.48 2377.5,-59.5 2387.96,-63.58 2399.02,-68.8 2408.87,-73.79\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2407.15,-76.84 2417.64,-78.35 2410.38,-70.63 2407.15,-76.84\"/>\n",
       "</g>\n",
       "<!-- 140650794537968 -->\n",
       "<g id=\"node109\" class=\"node\">\n",
       "<title>140650794537968</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3441.75,-699.5 3441.75,-735.5 3622.5,-735.5 3622.5,-699.5 3441.75,-699.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3451.62\" y=\"-712.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3461.5,-700 3461.5,-735.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3501.38\" y=\"-712.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.8358</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3541.25,-700 3541.25,-735.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3581.88\" y=\"-712.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794537968&#45;&gt;140650794356016* -->\n",
       "<g id=\"edge77\" class=\"edge\">\n",
       "<title>140650794537968&#45;&gt;140650794356016*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3601.69,-699.03C3610.27,-696.35 3618.88,-693.48 3627,-690.5 3636.99,-686.83 3647.62,-682.28 3657.22,-677.91\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3658.55,-681.15 3666.14,-673.77 3655.6,-674.81 3658.55,-681.15\"/>\n",
       "</g>\n",
       "<!-- 140650794537968tanh&#45;&gt;140650794537968 -->\n",
       "<g id=\"edge38\" class=\"edge\">\n",
       "<title>140650794537968tanh&#45;&gt;140650794537968</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3401.69,-717.5C3409.98,-717.5 3419.68,-717.5 3429.98,-717.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3429.83,-721 3439.83,-717.5 3429.83,-714 3429.83,-721\"/>\n",
       "</g>\n",
       "<!-- 140650661983424 -->\n",
       "<g id=\"node111\" class=\"node\">\n",
       "<title>140650661983424</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"929.25,-55.5 929.25,-91.5 1114.5,-91.5 1114.5,-55.5 929.25,-55.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"939.12\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"949,-56 949,-91.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.4478</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1033.25,-56 1033.25,-91.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1073.88\" y=\"-68.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650661983424&#45;&gt;140650794533792+ -->\n",
       "<g id=\"edge123\" class=\"edge\">\n",
       "<title>140650661983424&#45;&gt;140650794533792+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1089.29,-91.89C1097.83,-94.6 1106.42,-97.5 1114.5,-100.5 1124.48,-104.2 1135.11,-108.77 1144.7,-113.13\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1143.08,-116.23 1153.63,-117.27 1146.03,-109.89 1143.08,-116.23\"/>\n",
       "</g>\n",
       "<!-- 140650661983424*&#45;&gt;140650661983424 -->\n",
       "<g id=\"edge39\" class=\"edge\">\n",
       "<title>140650661983424*&#45;&gt;140650661983424</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M893.66,-73.5C900.7,-73.5 908.75,-73.5 917.3,-73.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"917.29,-77 927.29,-73.5 917.29,-70 917.29,-77\"/>\n",
       "</g>\n",
       "<!-- 140650661983472 -->\n",
       "<g id=\"node113\" class=\"node\">\n",
       "<title>140650661983472</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-894.5 1874.25,-930.5 2059.5,-930.5 2059.5,-894.5 1874.25,-894.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-895 1894,-930.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1933.88\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.9240</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1973.75,-895 1973.75,-930.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2016.62\" y=\"-907.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1338</text>\n",
       "</g>\n",
       "<!-- 140650661983472&#45;&gt;140650794536720+ -->\n",
       "<g id=\"edge209\" class=\"edge\">\n",
       "<title>140650661983472&#45;&gt;140650794536720+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2047.01,-894C2052.18,-891.51 2057.16,-888.69 2061.75,-885.5 2082.62,-870.99 2099.23,-847.16 2109.99,-828.59\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2112.98,-830.4 2114.76,-819.96 2106.86,-827.02 2112.98,-830.4\"/>\n",
       "</g>\n",
       "<!-- 140651728196880 -->\n",
       "<g id=\"node114\" class=\"node\">\n",
       "<title>140651728196880</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1560.75,-564.5 1560.75,-600.5 1741.5,-600.5 1741.5,-564.5 1560.75,-564.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1570.62\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1580.5,-565 1580.5,-600.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1620.38\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.9219</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1660.25,-565 1660.25,-600.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728196880&#45;&gt;140651194311072* -->\n",
       "<g id=\"edge170\" class=\"edge\">\n",
       "<title>140651728196880&#45;&gt;140651194311072*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1679.88,-564.04C1701.25,-548.34 1729.8,-523.87 1746,-495.5 1758.7,-473.25 1790.06,-308.11 1802.65,-239.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1806.06,-240.64 1804.43,-230.17 1799.18,-239.37 1806.06,-240.64\"/>\n",
       "</g>\n",
       "<!-- 140651728196880&#45;&gt;140650794536528* -->\n",
       "<g id=\"edge183\" class=\"edge\">\n",
       "<title>140651728196880&#45;&gt;140650794536528*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1730.04,-600.93C1735.68,-603.69 1741.08,-606.86 1746,-610.5 1769.2,-627.64 1764.13,-641.86 1782,-664.5 1783.19,-666 1784.44,-667.52 1785.72,-669.04\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1782.97,-671.21 1792.23,-676.36 1788.2,-666.56 1782.97,-671.21\"/>\n",
       "</g>\n",
       "<!-- 140651728196880&#45;&gt;140650794538256* -->\n",
       "<g id=\"edge140\" class=\"edge\">\n",
       "<title>140651728196880&#45;&gt;140650794538256*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1717.6,-600.92C1727.19,-603.94 1736.89,-607.17 1746,-610.5 1755.85,-614.1 1766.38,-618.48 1775.92,-622.65\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1774.23,-625.73 1784.79,-626.61 1777.08,-619.34 1774.23,-625.73\"/>\n",
       "</g>\n",
       "<!-- 140651728196880&#45;&gt;140650794539984* -->\n",
       "<g id=\"edge129\" class=\"edge\">\n",
       "<title>140651728196880&#45;&gt;140650794539984*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1675.63,-564.2C1695.86,-547.68 1725.02,-521.97 1746,-495.5 1766.31,-469.87 1784.14,-436.79 1795.39,-413.83\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1798.41,-415.64 1799.58,-405.11 1792.1,-412.61 1798.41,-415.64\"/>\n",
       "</g>\n",
       "<!-- 140651728196880tanh -->\n",
       "<g id=\"node115\" class=\"node\">\n",
       "<title>140651728196880tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1493.25\" cy=\"-583.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1493.25\" y=\"-578.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140651728196880tanh&#45;&gt;140651728196880 -->\n",
       "<g id=\"edge40\" class=\"edge\">\n",
       "<title>140651728196880tanh&#45;&gt;140651728196880</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1520.69,-583.33C1528.98,-583.28 1538.68,-583.21 1548.98,-583.15\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1548.85,-586.65 1558.83,-583.09 1548.81,-579.65 1548.85,-586.65\"/>\n",
       "</g>\n",
       "<!-- 140650794538256 -->\n",
       "<g id=\"node116\" class=\"node\">\n",
       "<title>140650794538256</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1876.5,-619.5 1876.5,-655.5 2057.25,-655.5 2057.25,-619.5 1876.5,-619.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1886.38\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1896.25,-620 1896.25,-655.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.8563</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-620 1976,-655.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2016.62\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794538256&#45;&gt;140650794538448+ -->\n",
       "<g id=\"edge100\" class=\"edge\">\n",
       "<title>140650794538256&#45;&gt;140650794538448+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2057.64,-637.5C2067.6,-637.5 2077.29,-637.5 2086.05,-637.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.84,-641 2095.84,-637.5 2085.84,-634 2085.84,-641\"/>\n",
       "</g>\n",
       "<!-- 140650794538256*&#45;&gt;140650794538256 -->\n",
       "<g id=\"edge41\" class=\"edge\">\n",
       "<title>140650794538256*&#45;&gt;140650794538256</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1836.44,-637.5C1844.73,-637.5 1854.43,-637.5 1864.73,-637.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1864.58,-641 1874.58,-637.5 1864.58,-634 1864.58,-641\"/>\n",
       "</g>\n",
       "<!-- 140650661983568 -->\n",
       "<g id=\"node118\" class=\"node\">\n",
       "<title>140650661983568</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2505.75,-342.5 2505.75,-378.5 2686.5,-378.5 2686.5,-342.5 2505.75,-342.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2515.62\" y=\"-355.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2525.5,-343 2525.5,-378.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-355.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.3540</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2605.25,-343 2605.25,-378.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2645.88\" y=\"-355.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0529</text>\n",
       "</g>\n",
       "<!-- 140650661983568&#45;&gt;140650794361728* -->\n",
       "<g id=\"edge152\" class=\"edge\">\n",
       "<title>140650661983568&#45;&gt;140650794361728*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2677.77,-378.91C2681.72,-381.42 2685.42,-384.27 2688.75,-387.5 2725.66,-423.33 2698.64,-453.18 2724.75,-497.5 2725.72,-499.15 2726.81,-500.78 2727.96,-502.39\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2725.11,-504.42 2734.18,-509.9 2730.5,-499.96 2725.11,-504.42\"/>\n",
       "</g>\n",
       "<!-- 140650661975408 -->\n",
       "<g id=\"node119\" class=\"node\">\n",
       "<title>140650661975408</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3439.5,-644.5 3439.5,-680.5 3624.75,-680.5 3624.75,-644.5 3439.5,-644.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3449.38\" y=\"-657.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3459.25,-645 3459.25,-680.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3501.38\" y=\"-657.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.6247</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3543.5,-645 3543.5,-680.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3584.12\" y=\"-657.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.5939</text>\n",
       "</g>\n",
       "<!-- 140650661975408&#45;&gt;140650794356016* -->\n",
       "<g id=\"edge203\" class=\"edge\">\n",
       "<title>140650661975408&#45;&gt;140650794356016*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3625.15,-662.5C3634.36,-662.5 3643.3,-662.5 3651.43,-662.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3651.19,-666 3661.19,-662.5 3651.19,-659 3651.19,-666\"/>\n",
       "</g>\n",
       "<!-- 140651728197072 -->\n",
       "<g id=\"node120\" class=\"node\">\n",
       "<title>140651728197072</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1245,-592.5 1245,-628.5 1425.75,-628.5 1425.75,-592.5 1245,-592.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1254.88\" y=\"-605.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1264.75,-593 1264.75,-628.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-605.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 1.6018</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1344.5,-593 1344.5,-628.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1385.12\" y=\"-605.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728197072&#45;&gt;140651728196880tanh -->\n",
       "<g id=\"edge153\" class=\"edge\">\n",
       "<title>140651728197072&#45;&gt;140651728196880tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1426.14,-594.95C1436.5,-593.16 1446.56,-591.41 1455.59,-589.85\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1456.05,-593.32 1465.31,-588.17 1454.86,-586.42 1456.05,-593.32\"/>\n",
       "</g>\n",
       "<!-- 140651728197072+ -->\n",
       "<g id=\"node121\" class=\"node\">\n",
       "<title>140651728197072+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"1177.5\" cy=\"-665.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"1177.5\" y=\"-660.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140651728197072+&#45;&gt;140651728197072 -->\n",
       "<g id=\"edge42\" class=\"edge\">\n",
       "<title>140651728197072+&#45;&gt;140651728197072</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1201.84,-657.27C1220.26,-650.77 1246.86,-641.38 1271.4,-632.72\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1272.44,-636.07 1280.7,-629.44 1270.11,-629.47 1272.44,-636.07\"/>\n",
       "</g>\n",
       "<!-- 140650794358224 -->\n",
       "<g id=\"node122\" class=\"node\">\n",
       "<title>140650794358224</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-234.5 2190,-270.5 2375.25,-270.5 2375.25,-234.5 2190,-234.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-247.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-235 2209.75,-270.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-247.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1922</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-235 2294,-270.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-247.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794358224&#45;&gt;140650794363168+ -->\n",
       "<g id=\"edge205\" class=\"edge\">\n",
       "<title>140650794358224&#45;&gt;140650794363168+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2375.65,-249.55C2384.86,-249.25 2393.8,-248.97 2401.93,-248.71\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.81,-252.21 2411.69,-248.39 2401.58,-245.21 2401.81,-252.21\"/>\n",
       "</g>\n",
       "<!-- 140650794358224*&#45;&gt;140650794358224 -->\n",
       "<g id=\"edge43\" class=\"edge\">\n",
       "<title>140650794358224*&#45;&gt;140650794358224</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.19,-252.5C2159.87,-252.5 2168.76,-252.5 2178.2,-252.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2178,-256 2188,-252.5 2178,-249 2178,-256\"/>\n",
       "</g>\n",
       "<!-- 140650794538448 -->\n",
       "<g id=\"node124\" class=\"node\">\n",
       "<title>140650794538448</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2192.25,-619.5 2192.25,-655.5 2373,-655.5 2373,-619.5 2192.25,-619.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2202.12\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2212,-620 2212,-655.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0735</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2291.75,-620 2291.75,-655.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2332.38\" y=\"-632.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794538832+ -->\n",
       "<g id=\"node138\" class=\"node\">\n",
       "<title>140650794538832+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-527.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-522.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794538448&#45;&gt;140650794538832+ -->\n",
       "<g id=\"edge86\" class=\"edge\">\n",
       "<title>140650794538448&#45;&gt;140650794538832+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2363.44,-619.06C2368.39,-616.56 2373.13,-613.72 2377.5,-610.5 2401.01,-593.16 2395.5,-578.51 2413.5,-555.5 2414.68,-553.99 2415.93,-552.47 2417.21,-550.95\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2419.69,-553.43 2423.71,-543.62 2414.45,-548.78 2419.69,-553.43\"/>\n",
       "</g>\n",
       "<!-- 140650794538448+&#45;&gt;140650794538448 -->\n",
       "<g id=\"edge44\" class=\"edge\">\n",
       "<title>140650794538448+&#45;&gt;140650794538448</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.19,-637.5C2160.48,-637.5 2170.18,-637.5 2180.48,-637.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2180.33,-641 2190.33,-637.5 2180.33,-634 2180.33,-641\"/>\n",
       "</g>\n",
       "<!-- 140650661975552 -->\n",
       "<g id=\"node126\" class=\"node\">\n",
       "<title>140650661975552</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2187.75,-69.5 2187.75,-105.5 2377.5,-105.5 2377.5,-69.5 2187.75,-69.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2197.62\" y=\"-82.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2207.5,-70 2207.5,-105.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2249.62\" y=\"-82.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.4585</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2291.75,-70 2291.75,-105.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-82.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0326</text>\n",
       "</g>\n",
       "<!-- 140650661975552&#45;&gt;140650794540752* -->\n",
       "<g id=\"edge78\" class=\"edge\">\n",
       "<title>140650661975552&#45;&gt;140650794540752*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2352.77,-105.93C2361.17,-108.59 2369.58,-111.47 2377.5,-114.5 2387.83,-118.45 2398.8,-123.47 2408.59,-128.26\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2406.8,-131.28 2417.31,-132.63 2409.94,-125.02 2406.8,-131.28\"/>\n",
       "</g>\n",
       "<!-- 140651728197216 -->\n",
       "<g id=\"node127\" class=\"node\">\n",
       "<title>140651728197216</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"620.25,-649.5 620.25,-685.5 801,-685.5 801,-649.5 620.25,-649.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"630.12\" y=\"-662.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"640,-650 640,-685.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-662.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 1.8595</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"719.75,-650 719.75,-685.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-662.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728198560+ -->\n",
       "<g id=\"node177\" class=\"node\">\n",
       "<title>140651728198560+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"866.25\" cy=\"-665.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"866.25\" y=\"-660.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140651728197216&#45;&gt;140651728198560+ -->\n",
       "<g id=\"edge166\" class=\"edge\">\n",
       "<title>140651728197216&#45;&gt;140651728198560+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M801.43,-666.33C810.61,-666.21 819.53,-666.1 827.65,-665.99\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"827.45,-669.49 837.4,-665.86 827.36,-662.49 827.45,-669.49\"/>\n",
       "</g>\n",
       "<!-- 140651728197216*&#45;&gt;140651728197216 -->\n",
       "<g id=\"edge45\" class=\"edge\">\n",
       "<title>140651728197216*&#45;&gt;140651728197216</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M582.41,-667.5C590.12,-667.5 599.04,-667.5 608.51,-667.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"608.32,-671 618.32,-667.5 608.32,-664 608.32,-671\"/>\n",
       "</g>\n",
       "<!-- 140651728197264 -->\n",
       "<g id=\"node129\" class=\"node\">\n",
       "<title>140651728197264</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"309,-429.5 309,-465.5 489.75,-465.5 489.75,-429.5 309,-429.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"318.88\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"328.75,-430 328.75,-465.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"368.62\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 2.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"408.5,-430 408.5,-465.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"449.12\" y=\"-442.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728197264&#45;&gt;140651728195248* -->\n",
       "<g id=\"edge180\" class=\"edge\">\n",
       "<title>140651728197264&#45;&gt;140651728195248*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M466.79,-465.89C475.33,-468.6 483.92,-471.5 492,-474.5 501.98,-478.2 512.61,-482.77 522.2,-487.13\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"520.58,-490.23 531.13,-491.27 523.53,-483.89 520.58,-490.23\"/>\n",
       "</g>\n",
       "<!-- 140650661983904 -->\n",
       "<g id=\"node130\" class=\"node\">\n",
       "<title>140650661983904</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1242.75,-949.5 1242.75,-985.5 1428,-985.5 1428,-949.5 1242.75,-949.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1252.62\" y=\"-962.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1262.5,-950 1262.5,-985.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-962.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2338</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1346.75,-950 1346.75,-985.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1387.38\" y=\"-962.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0195</text>\n",
       "</g>\n",
       "<!-- 140650661983904&#45;&gt;140650794535280+ -->\n",
       "<g id=\"edge185\" class=\"edge\">\n",
       "<title>140650661983904&#45;&gt;140650794535280+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1404.94,-949.03C1413.52,-946.35 1422.13,-943.48 1430.25,-940.5 1440.24,-936.83 1450.87,-932.28 1460.47,-927.91\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1461.8,-931.15 1469.39,-923.77 1458.85,-924.81 1461.8,-931.15\"/>\n",
       "</g>\n",
       "<!-- 140650794538640 -->\n",
       "<g id=\"node131\" class=\"node\">\n",
       "<title>140650794538640</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-509.5 2190,-545.5 2375.25,-545.5 2375.25,-509.5 2190,-509.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-522.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-510 2209.75,-545.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-522.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1171</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-510 2294,-545.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-522.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794538640&#45;&gt;140650794538832+ -->\n",
       "<g id=\"edge173\" class=\"edge\">\n",
       "<title>140650794538640&#45;&gt;140650794538832+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2375.65,-527.5C2384.86,-527.5 2393.8,-527.5 2401.93,-527.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.69,-531 2411.69,-527.5 2401.69,-524 2401.69,-531\"/>\n",
       "</g>\n",
       "<!-- 140650794538640*&#45;&gt;140650794538640 -->\n",
       "<g id=\"edge46\" class=\"edge\">\n",
       "<title>140650794538640*&#45;&gt;140650794538640</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.19,-527.5C2159.87,-527.5 2168.76,-527.5 2178.2,-527.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2178,-531 2188,-527.5 2178,-524 2178,-531\"/>\n",
       "</g>\n",
       "<!-- 140650661983952 -->\n",
       "<g id=\"node133\" class=\"node\">\n",
       "<title>140650661983952</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-782.5 2503.5,-818.5 2688.75,-818.5 2688.75,-782.5 2503.5,-782.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-795.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-783 2523.25,-818.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-795.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7261</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-783 2607.5,-818.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-795.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.1240</text>\n",
       "</g>\n",
       "<!-- 140650661983952&#45;&gt;140650794537680* -->\n",
       "<g id=\"edge165\" class=\"edge\">\n",
       "<title>140650661983952&#45;&gt;140650794537680*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2663.54,-782.11C2672.08,-779.4 2680.67,-776.5 2688.75,-773.5 2698.73,-769.8 2709.36,-765.23 2718.95,-760.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2720.28,-764.11 2727.88,-756.73 2717.33,-757.77 2720.28,-764.11\"/>\n",
       "</g>\n",
       "<!-- 140650661975792 -->\n",
       "<g id=\"node134\" class=\"node\">\n",
       "<title>140650661975792</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"620.25,-28.5 620.25,-64.5 801,-64.5 801,-28.5 620.25,-28.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"630.12\" y=\"-41.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"640,-29 640,-64.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-41.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 2.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"719.75,-29 719.75,-64.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-41.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650661975792&#45;&gt;140650661983424* -->\n",
       "<g id=\"edge80\" class=\"edge\">\n",
       "<title>140650661975792&#45;&gt;140650661983424*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M801.43,-62.28C810.98,-63.96 820.26,-65.59 828.64,-67.07\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"827.89,-70.49 838.35,-68.77 829.11,-63.59 827.89,-70.49\"/>\n",
       "</g>\n",
       "<!-- 140651194308384 -->\n",
       "<g id=\"node135\" class=\"node\">\n",
       "<title>140651194308384</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3439.5,-424.5 3439.5,-460.5 3624.75,-460.5 3624.75,-424.5 3439.5,-424.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3449.38\" y=\"-437.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3459.25,-425 3459.25,-460.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3501.38\" y=\"-437.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2666</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3543.5,-425 3543.5,-460.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3584.12\" y=\"-437.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651194308384&#45;&gt;140650794359424* -->\n",
       "<g id=\"edge101\" class=\"edge\">\n",
       "<title>140651194308384&#45;&gt;140650794359424*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3600.02,-460.95C3609.13,-463.69 3618.32,-466.58 3627,-469.5 3636.51,-472.7 3646.72,-476.5 3656.05,-480.12\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3654.51,-483.27 3665.09,-483.68 3657.07,-476.76 3654.51,-483.27\"/>\n",
       "</g>\n",
       "<!-- 140651194308384tanh&#45;&gt;140651194308384 -->\n",
       "<g id=\"edge47\" class=\"edge\">\n",
       "<title>140651194308384tanh&#45;&gt;140651194308384</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3401.69,-442.5C3409.37,-442.5 3418.26,-442.5 3427.7,-442.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3427.5,-446 3437.5,-442.5 3427.5,-439 3427.5,-446\"/>\n",
       "</g>\n",
       "<!-- 140650794538832 -->\n",
       "<g id=\"node137\" class=\"node\">\n",
       "<title>140650794538832</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-507.5 2503.5,-543.5 2688.75,-543.5 2688.75,-507.5 2503.5,-507.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-520.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-508 2523.25,-543.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-520.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0436</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-508 2607.5,-543.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-520.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539216+ -->\n",
       "<g id=\"node153\" class=\"node\">\n",
       "<title>140650794539216+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-470.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-465.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794538832&#45;&gt;140650794539216+ -->\n",
       "<g id=\"edge197\" class=\"edge\">\n",
       "<title>140650794538832&#45;&gt;140650794539216+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2663.54,-507.11C2672.08,-504.4 2680.67,-501.5 2688.75,-498.5 2698.73,-494.8 2709.36,-490.23 2718.95,-485.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2720.28,-489.11 2727.88,-481.73 2717.33,-482.77 2720.28,-489.11\"/>\n",
       "</g>\n",
       "<!-- 140650794538832+&#45;&gt;140650794538832 -->\n",
       "<g id=\"edge48\" class=\"edge\">\n",
       "<title>140650794538832+&#45;&gt;140650794538832</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2467.91,-527.16C2474.95,-527.06 2483,-526.96 2491.55,-526.85\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2491.58,-530.35 2501.54,-526.72 2491.49,-523.35 2491.58,-530.35\"/>\n",
       "</g>\n",
       "<!-- 140650794358656 -->\n",
       "<g id=\"node139\" class=\"node\">\n",
       "<title>140650794358656</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-179.5 2190,-215.5 2375.25,-215.5 2375.25,-179.5 2190,-179.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-192.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-180 2209.75,-215.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-192.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.3364</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-180 2294,-215.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-192.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794358656&#45;&gt;140650794363168+ -->\n",
       "<g id=\"edge167\" class=\"edge\">\n",
       "<title>140650794358656&#45;&gt;140650794363168+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2350.23,-215.98C2359.42,-218.73 2368.72,-221.61 2377.5,-224.5 2386.8,-227.56 2396.79,-231.13 2405.98,-234.54\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2404.67,-237.79 2415.26,-238.03 2407.13,-231.24 2404.67,-237.79\"/>\n",
       "</g>\n",
       "<!-- 140650794358656+&#45;&gt;140650794358656 -->\n",
       "<g id=\"edge49\" class=\"edge\">\n",
       "<title>140650794358656+&#45;&gt;140650794358656</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.19,-197.5C2159.87,-197.5 2168.76,-197.5 2178.2,-197.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2178,-201 2188,-197.5 2178,-194 2178,-201\"/>\n",
       "</g>\n",
       "<!-- 140650794358704 -->\n",
       "<g id=\"node141\" class=\"node\">\n",
       "<title>140650794358704</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"5440.5,-443.5 5440.5,-479.5 5625.75,-479.5 5625.75,-443.5 5440.5,-443.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"5450.38\" y=\"-456.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"5460.25,-444 5460.25,-479.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"5502.38\" y=\"-456.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.5380</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"5544.5,-444 5544.5,-479.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"5585.12\" y=\"-456.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794358704tanh -->\n",
       "<g id=\"node142\" class=\"node\">\n",
       "<title>140650794358704tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"5377.5\" cy=\"-461.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"5377.5\" y=\"-456.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140650794358704tanh&#45;&gt;140650794358704 -->\n",
       "<g id=\"edge50\" class=\"edge\">\n",
       "<title>140650794358704tanh&#45;&gt;140650794358704</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M5404.91,-461.5C5411.95,-461.5 5420,-461.5 5428.55,-461.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"5428.54,-465 5438.54,-461.5 5428.54,-458 5428.54,-465\"/>\n",
       "</g>\n",
       "<!-- 140650794358800 -->\n",
       "<g id=\"node143\" class=\"node\">\n",
       "<title>140650794358800</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"5129.25,-443.5 5129.25,-479.5 5314.5,-479.5 5314.5,-443.5 5129.25,-443.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"5139.12\" y=\"-456.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"5149,-444 5149,-479.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"5191.12\" y=\"-456.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.6013</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"5233.25,-444 5233.25,-479.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"5273.88\" y=\"-456.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794358800&#45;&gt;140650794358704tanh -->\n",
       "<g id=\"edge76\" class=\"edge\">\n",
       "<title>140650794358800&#45;&gt;140650794358704tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M5314.9,-461.5C5323.27,-461.5 5331.39,-461.5 5338.84,-461.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"5338.78,-465 5348.78,-461.5 5338.78,-458 5338.78,-465\"/>\n",
       "</g>\n",
       "<!-- 140650794358800+ -->\n",
       "<g id=\"node144\" class=\"node\">\n",
       "<title>140650794358800+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"5066.25\" cy=\"-461.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"5066.25\" y=\"-456.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794358800+&#45;&gt;140650794358800 -->\n",
       "<g id=\"edge51\" class=\"edge\">\n",
       "<title>140650794358800+&#45;&gt;140650794358800</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M5093.66,-461.5C5100.7,-461.5 5108.75,-461.5 5117.3,-461.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"5117.29,-465 5127.29,-461.5 5117.29,-458 5117.29,-465\"/>\n",
       "</g>\n",
       "<!-- 140650661976080 -->\n",
       "<g id=\"node145\" class=\"node\">\n",
       "<title>140650661976080</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1558.5,-192.5 1558.5,-228.5 1743.75,-228.5 1743.75,-192.5 1558.5,-192.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1568.38\" y=\"-205.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1578.25,-193 1578.25,-228.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1618.12\" y=\"-205.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.4691</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1658,-193 1658,-228.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1700.88\" y=\"-205.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0526</text>\n",
       "</g>\n",
       "<!-- 140650661976080&#45;&gt;140651194311072* -->\n",
       "<g id=\"edge192\" class=\"edge\">\n",
       "<title>140650661976080&#45;&gt;140651194311072*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1744.15,-210.5C1753.36,-210.5 1762.3,-210.5 1770.43,-210.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1770.19,-214 1780.19,-210.5 1770.19,-207 1770.19,-214\"/>\n",
       "</g>\n",
       "<!-- 140650794539024 -->\n",
       "<g id=\"node146\" class=\"node\">\n",
       "<title>140650794539024</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2505.75,-287.5 2505.75,-323.5 2686.5,-323.5 2686.5,-287.5 2505.75,-287.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2515.62\" y=\"-300.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2525.5,-288 2525.5,-323.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-300.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0518</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2605.25,-288 2605.25,-323.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2645.88\" y=\"-300.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539024&#45;&gt;140650794539216+ -->\n",
       "<g id=\"edge151\" class=\"edge\">\n",
       "<title>140650794539024&#45;&gt;140650794539216+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2677.77,-323.91C2681.72,-326.42 2685.42,-329.27 2688.75,-332.5 2725.66,-368.33 2698.64,-398.18 2724.75,-442.5 2725.72,-444.15 2726.81,-445.78 2727.96,-447.39\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2725.11,-449.42 2734.18,-454.9 2730.5,-444.96 2725.11,-449.42\"/>\n",
       "</g>\n",
       "<!-- 140650794539024*&#45;&gt;140650794539024 -->\n",
       "<g id=\"edge52\" class=\"edge\">\n",
       "<title>140650794539024*&#45;&gt;140650794539024</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2467.91,-305.5C2475.62,-305.5 2484.54,-305.5 2494.01,-305.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2493.82,-309 2503.82,-305.5 2493.82,-302 2493.82,-309\"/>\n",
       "</g>\n",
       "<!-- 140650938505328 -->\n",
       "<g id=\"node148\" class=\"node\">\n",
       "<title>140650938505328</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"620.25,-594.5 620.25,-630.5 801,-630.5 801,-594.5 620.25,-594.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"630.12\" y=\"-607.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"640,-595 640,-630.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-607.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.6297</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"719.75,-595 719.75,-630.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-607.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650938505328&#45;&gt;140651728198560+ -->\n",
       "<g id=\"edge171\" class=\"edge\">\n",
       "<title>140650938505328&#45;&gt;140651728198560+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M774.46,-630.91C784.14,-633.98 794,-637.23 803.25,-640.5 812.84,-643.89 823.14,-647.9 832.53,-651.69\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"831.06,-654.87 841.64,-655.43 833.72,-648.39 831.06,-654.87\"/>\n",
       "</g>\n",
       "<!-- 140650938505328+&#45;&gt;140650938505328 -->\n",
       "<g id=\"edge53\" class=\"edge\">\n",
       "<title>140650938505328+&#45;&gt;140650938505328</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M582.41,-612.5C590.12,-612.5 599.04,-612.5 608.51,-612.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"608.32,-616 618.32,-612.5 608.32,-609 608.32,-616\"/>\n",
       "</g>\n",
       "<!-- 140650938505424 -->\n",
       "<g id=\"node150\" class=\"node\">\n",
       "<title>140650938505424</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"0,-512.5 0,-548.5 180.75,-548.5 180.75,-512.5 0,-512.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"9.88\" y=\"-525.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"19.75,-513 19.75,-548.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"59.62\" y=\"-525.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 2.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"99.5,-513 99.5,-548.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"140.12\" y=\"-525.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650938505424&#45;&gt;140650938506336* -->\n",
       "<g id=\"edge99\" class=\"edge\">\n",
       "<title>140650938505424&#45;&gt;140650938506336*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M181.18,-546.52C189.89,-548.07 198.34,-549.58 206.05,-550.95\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"205.16,-554.35 215.62,-552.66 206.39,-547.46 205.16,-554.35\"/>\n",
       "</g>\n",
       "<!-- 140651728197840 -->\n",
       "<g id=\"node151\" class=\"node\">\n",
       "<title>140651728197840</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"618,-704.5 618,-740.5 803.25,-740.5 803.25,-704.5 618,-704.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"627.88\" y=\"-717.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"637.75,-705 637.75,-740.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-717.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;1.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"722,-705 722,-740.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"762.62\" y=\"-717.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728197840&#45;&gt;140651728197984* -->\n",
       "<g id=\"edge202\" class=\"edge\">\n",
       "<title>140651728197840&#45;&gt;140651728197984*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M803.65,-722.5C812.02,-722.5 820.14,-722.5 827.59,-722.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"827.53,-726 837.53,-722.5 827.53,-719 827.53,-726\"/>\n",
       "</g>\n",
       "<!-- 140650794539216 -->\n",
       "<g id=\"node152\" class=\"node\">\n",
       "<title>140650794539216</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2817,-452.5 2817,-488.5 2997.75,-488.5 2997.75,-452.5 2817,-452.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2826.88\" y=\"-465.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2836.75,-453 2836.75,-488.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-465.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0083</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2916.5,-453 2916.5,-488.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2957.12\" y=\"-465.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539600+ -->\n",
       "<g id=\"node165\" class=\"node\">\n",
       "<title>140650794539600+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3063\" cy=\"-552.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3063\" y=\"-547.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794539216&#45;&gt;140650794539600+ -->\n",
       "<g id=\"edge206\" class=\"edge\">\n",
       "<title>140650794539216&#45;&gt;140650794539600+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2979.64,-489C2986.69,-491.79 2993.6,-494.95 3000,-498.5 3014.72,-506.67 3029.04,-518.77 3040.2,-529.45\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3037.43,-531.63 3046.99,-536.18 3042.35,-526.66 3037.43,-531.63\"/>\n",
       "</g>\n",
       "<!-- 140650794539216+&#45;&gt;140650794539216 -->\n",
       "<g id=\"edge54\" class=\"edge\">\n",
       "<title>140650794539216+&#45;&gt;140650794539216</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-470.5C2786.87,-470.5 2795.79,-470.5 2805.26,-470.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2805.07,-474 2815.07,-470.5 2805.07,-467 2805.07,-474\"/>\n",
       "</g>\n",
       "<!-- 140650793605376 -->\n",
       "<g id=\"node154\" class=\"node\">\n",
       "<title>140650793605376</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"620.25,-374.5 620.25,-410.5 801,-410.5 801,-374.5 620.25,-374.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"630.12\" y=\"-387.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"640,-375 640,-410.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"679.88\" y=\"-387.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 3.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"719.75,-375 719.75,-410.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"760.38\" y=\"-387.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650793605376&#45;&gt;140650793603216* -->\n",
       "<g id=\"edge150\" class=\"edge\">\n",
       "<title>140650793605376&#45;&gt;140650793603216*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M778.04,-410.89C786.58,-413.6 795.17,-416.5 803.25,-419.5 813.23,-423.2 823.86,-427.77 833.45,-432.13\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"831.83,-435.23 842.38,-436.27 834.78,-428.89 831.83,-435.23\"/>\n",
       "</g>\n",
       "<!-- 140650661976368 -->\n",
       "<g id=\"node155\" class=\"node\">\n",
       "<title>140650661976368</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"929.25,-319.5 929.25,-355.5 1114.5,-355.5 1114.5,-319.5 929.25,-319.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"939.12\" y=\"-332.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"949,-320 949,-355.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"988.88\" y=\"-332.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.1845</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1028.75,-320 1028.75,-355.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-332.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.1017</text>\n",
       "</g>\n",
       "<!-- 140650661976368&#45;&gt;140650793600816* -->\n",
       "<g id=\"edge201\" class=\"edge\">\n",
       "<title>140650661976368&#45;&gt;140650793600816*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1089.29,-355.89C1097.83,-358.6 1106.42,-361.5 1114.5,-364.5 1124.48,-368.2 1135.11,-372.77 1144.7,-377.13\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1143.08,-380.23 1153.63,-381.27 1146.03,-373.89 1143.08,-380.23\"/>\n",
       "</g>\n",
       "<!-- 140651728197984 -->\n",
       "<g id=\"node156\" class=\"node\">\n",
       "<title>140651728197984</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"929.25,-703.5 929.25,-739.5 1114.5,-739.5 1114.5,-703.5 929.25,-703.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"939.12\" y=\"-716.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"949,-704 949,-739.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-716.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.8874</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1033.25,-704 1033.25,-739.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1073.88\" y=\"-716.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728197984&#45;&gt;140651728197072+ -->\n",
       "<g id=\"edge83\" class=\"edge\">\n",
       "<title>140651728197984&#45;&gt;140651728197072+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1086.81,-703.11C1096.16,-700.09 1105.63,-696.84 1114.5,-693.5 1124.46,-689.75 1135.08,-685.17 1144.68,-680.81\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1146,-684.05 1153.6,-676.67 1143.06,-677.7 1146,-684.05\"/>\n",
       "</g>\n",
       "<!-- 140651728197984*&#45;&gt;140651728197984 -->\n",
       "<g id=\"edge55\" class=\"edge\">\n",
       "<title>140651728197984*&#45;&gt;140651728197984</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M893.66,-722.33C900.7,-722.28 908.75,-722.23 917.3,-722.17\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"917.31,-725.67 927.29,-722.11 917.26,-718.67 917.31,-725.67\"/>\n",
       "</g>\n",
       "<!-- 140650661984624 -->\n",
       "<g id=\"node158\" class=\"node\">\n",
       "<title>140650661984624</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"929.25,-165.5 929.25,-201.5 1114.5,-201.5 1114.5,-165.5 929.25,-165.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"939.12\" y=\"-178.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"949,-166 949,-201.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-178.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0299</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1033.25,-166 1033.25,-201.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1073.88\" y=\"-178.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.4631</text>\n",
       "</g>\n",
       "<!-- 140650661984624&#45;&gt;140650794534032* -->\n",
       "<g id=\"edge79\" class=\"edge\">\n",
       "<title>140650661984624&#45;&gt;140650794534032*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1114.9,-183.5C1123.27,-183.5 1131.39,-183.5 1138.84,-183.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1138.78,-187 1148.78,-183.5 1138.78,-180 1138.78,-187\"/>\n",
       "</g>\n",
       "<!-- 140650794539408 -->\n",
       "<g id=\"node159\" class=\"node\">\n",
       "<title>140650794539408</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2814.75,-672.5 2814.75,-708.5 3000,-708.5 3000,-672.5 2814.75,-672.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2824.62\" y=\"-685.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2834.5,-673 2834.5,-708.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-685.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2991</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2918.75,-673 2918.75,-708.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2959.38\" y=\"-685.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539408&#45;&gt;140650794539600+ -->\n",
       "<g id=\"edge159\" class=\"edge\">\n",
       "<title>140650794539408&#45;&gt;140650794539600+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2986.99,-672.03C2991.6,-669.54 2995.98,-666.71 3000,-663.5 3026.62,-642.24 3043.68,-606.26 3053.03,-581.04\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3056.29,-582.33 3056.29,-571.73 3049.68,-580.02 3056.29,-582.33\"/>\n",
       "</g>\n",
       "<!-- 140650794539408*&#45;&gt;140650794539408 -->\n",
       "<g id=\"edge56\" class=\"edge\">\n",
       "<title>140650794539408*&#45;&gt;140650794539408</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-690.5C2786.2,-690.5 2794.25,-690.5 2802.8,-690.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2802.79,-694 2812.79,-690.5 2802.79,-687 2802.79,-694\"/>\n",
       "</g>\n",
       "<!-- 140650661976608 -->\n",
       "<g id=\"node161\" class=\"node\">\n",
       "<title>140650661976608</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3437.25,-314.5 3437.25,-350.5 3627,-350.5 3627,-314.5 3437.25,-314.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3447.12\" y=\"-327.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3457,-315 3457,-350.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3499.12\" y=\"-327.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.1348</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3541.25,-315 3541.25,-350.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3584.12\" y=\"-327.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.4517</text>\n",
       "</g>\n",
       "<!-- 140650661976608&#45;&gt;140650794360528* -->\n",
       "<g id=\"edge190\" class=\"edge\">\n",
       "<title>140650661976608&#45;&gt;140650794360528*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3601.69,-350.97C3610.27,-353.65 3618.88,-356.52 3627,-359.5 3636.99,-363.17 3647.62,-367.72 3657.22,-372.09\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3655.6,-375.19 3666.14,-376.23 3658.55,-368.85 3655.6,-375.19\"/>\n",
       "</g>\n",
       "<!-- 140650794359328 -->\n",
       "<g id=\"node162\" class=\"node\">\n",
       "<title>140650794359328</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2814.75,-284.5 2814.75,-320.5 3000,-320.5 3000,-284.5 2814.75,-284.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2824.62\" y=\"-297.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2834.5,-285 2834.5,-320.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-297.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.4226</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2918.75,-285 2918.75,-320.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2959.38\" y=\"-297.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794359328&#45;&gt;140650794361200+ -->\n",
       "<g id=\"edge114\" class=\"edge\">\n",
       "<title>140650794359328&#45;&gt;140650794361200+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2941.71,-320.94C2968.39,-335.71 3005.51,-356.24 3031.43,-370.59\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3029.68,-373.62 3040.13,-375.4 3033.07,-367.49 3029.68,-373.62\"/>\n",
       "</g>\n",
       "<!-- 140650794359328+&#45;&gt;140650794359328 -->\n",
       "<g id=\"edge57\" class=\"edge\">\n",
       "<title>140650794359328+&#45;&gt;140650794359328</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2776.08,-255.85C2794.13,-262.32 2820.01,-271.58 2843.95,-280.15\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2842.76,-283.44 2853.35,-283.52 2845.12,-276.85 2842.76,-283.44\"/>\n",
       "</g>\n",
       "<!-- 140650794539600 -->\n",
       "<g id=\"node164\" class=\"node\">\n",
       "<title>140650794539600</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3126,-534.5 3126,-570.5 3311.25,-570.5 3311.25,-534.5 3126,-534.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3135.88\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3145.75,-535 3145.75,-570.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3187.88\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2909</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3230,-535 3230,-570.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3270.62\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539696tanh -->\n",
       "<g id=\"node171\" class=\"node\">\n",
       "<title>140650794539696tanh</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"3374.25\" cy=\"-552.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"3374.25\" y=\"-547.45\" font-family=\"Times,serif\" font-size=\"14.00\">tanh</text>\n",
       "</g>\n",
       "<!-- 140650794539600&#45;&gt;140650794539696tanh -->\n",
       "<g id=\"edge154\" class=\"edge\">\n",
       "<title>140650794539600&#45;&gt;140650794539696tanh</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3311.65,-552.5C3320.02,-552.5 3328.14,-552.5 3335.59,-552.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3335.53,-556 3345.53,-552.5 3335.53,-549 3335.53,-556\"/>\n",
       "</g>\n",
       "<!-- 140650794539600+&#45;&gt;140650794539600 -->\n",
       "<g id=\"edge58\" class=\"edge\">\n",
       "<title>140650794539600+&#45;&gt;140650794539600</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3090.41,-552.5C3097.45,-552.5 3105.5,-552.5 3114.05,-552.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3114.04,-556 3124.04,-552.5 3114.04,-549 3114.04,-556\"/>\n",
       "</g>\n",
       "<!-- 140650794359424 -->\n",
       "<g id=\"node166\" class=\"node\">\n",
       "<title>140650794359424</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"4197.75,-475.5 4197.75,-511.5 4378.5,-511.5 4378.5,-475.5 4197.75,-475.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4207.62\" y=\"-488.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4217.5,-476 4217.5,-511.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4257.38\" y=\"-488.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0781</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4297.25,-476 4297.25,-511.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4337.88\" y=\"-488.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794359520+ -->\n",
       "<g id=\"node175\" class=\"node\">\n",
       "<title>140650794359520+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"4755\" cy=\"-493.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"4755\" y=\"-488.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794359424&#45;&gt;140650794359520+ -->\n",
       "<g id=\"edge195\" class=\"edge\">\n",
       "<title>140650794359424&#45;&gt;140650794359520+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4378.76,-493.5C4480.98,-493.5 4643.36,-493.5 4716.32,-493.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4716.14,-497 4726.14,-493.5 4716.14,-490 4716.14,-497\"/>\n",
       "</g>\n",
       "<!-- 140650794359424*&#45;&gt;140650794359424 -->\n",
       "<g id=\"edge59\" class=\"edge\">\n",
       "<title>140650794359424*&#45;&gt;140650794359424</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3717.38,-493.5C3798.23,-493.5 4045.54,-493.5 4186.32,-493.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4186,-497 4196,-493.5 4186,-490 4186,-497\"/>\n",
       "</g>\n",
       "<!-- 140650793613968 -->\n",
       "<g id=\"node168\" class=\"node\">\n",
       "<title>140650793613968</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1245,-450.5 1245,-486.5 1425.75,-486.5 1425.75,-450.5 1245,-450.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1254.88\" y=\"-463.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1264.75,-451 1264.75,-486.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1304.62\" y=\"-463.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.8078</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1344.5,-451 1344.5,-486.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1385.12\" y=\"-463.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650793613968&#45;&gt;140651728462192+ -->\n",
       "<g id=\"edge89\" class=\"edge\">\n",
       "<title>140650793613968&#45;&gt;140651728462192+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1426.14,-468.5C1436.1,-468.5 1445.79,-468.5 1454.55,-468.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1454.34,-472 1464.34,-468.5 1454.34,-465 1454.34,-472\"/>\n",
       "</g>\n",
       "<!-- 140650793613968+&#45;&gt;140650793613968 -->\n",
       "<g id=\"edge60\" class=\"edge\">\n",
       "<title>140650793613968+&#45;&gt;140650793613968</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1204.94,-468.5C1213.23,-468.5 1222.93,-468.5 1233.23,-468.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1233.08,-472 1243.08,-468.5 1233.08,-465 1233.08,-472\"/>\n",
       "</g>\n",
       "<!-- 140650794539696 -->\n",
       "<g id=\"node170\" class=\"node\">\n",
       "<title>140650794539696</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3439.5,-534.5 3439.5,-570.5 3624.75,-570.5 3624.75,-534.5 3439.5,-534.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3449.38\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3459.25,-535 3459.25,-570.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3501.38\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2829</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3543.5,-535 3543.5,-570.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3584.12\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539696&#45;&gt;140650794360240* -->\n",
       "<g id=\"edge94\" class=\"edge\">\n",
       "<title>140650794539696&#45;&gt;140650794360240*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3625.15,-552.5C3634.36,-552.5 3643.3,-552.5 3651.43,-552.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3651.19,-556 3661.19,-552.5 3651.19,-549 3651.19,-556\"/>\n",
       "</g>\n",
       "<!-- 140650794539696tanh&#45;&gt;140650794539696 -->\n",
       "<g id=\"edge61\" class=\"edge\">\n",
       "<title>140650794539696tanh&#45;&gt;140650794539696</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3401.69,-552.5C3409.37,-552.5 3418.26,-552.5 3427.7,-552.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3427.5,-556 3437.5,-552.5 3427.5,-549 3427.5,-556\"/>\n",
       "</g>\n",
       "<!-- 140650661984960 -->\n",
       "<g id=\"node172\" class=\"node\">\n",
       "<title>140650661984960</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1872,-564.5 1872,-600.5 2061.75,-600.5 2061.75,-564.5 1872,-564.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1881.88\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1891.75,-565 1891.75,-600.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1933.88\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.3329</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1976,-565 1976,-600.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-577.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0740</text>\n",
       "</g>\n",
       "<!-- 140650661984960&#45;&gt;140650794536912* -->\n",
       "<g id=\"edge137\" class=\"edge\">\n",
       "<title>140650661984960&#45;&gt;140650794536912*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2062.14,-582.5C2070.46,-582.5 2078.51,-582.5 2085.91,-582.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.77,-586 2095.77,-582.5 2085.77,-579 2085.77,-586\"/>\n",
       "</g>\n",
       "<!-- 140651728198368 -->\n",
       "<g id=\"node173\" class=\"node\">\n",
       "<title>140651728198368</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"309,-649.5 309,-685.5 489.75,-685.5 489.75,-649.5 309,-649.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"318.88\" y=\"-662.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"328.75,-650 328.75,-685.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"368.62\" y=\"-662.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 3.0000</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"408.5,-650 408.5,-685.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"449.12\" y=\"-662.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728198368&#45;&gt;140651728197216* -->\n",
       "<g id=\"edge160\" class=\"edge\">\n",
       "<title>140651728198368&#45;&gt;140651728197216*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M490.18,-667.5C499.36,-667.5 508.28,-667.5 516.4,-667.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"516.15,-671 526.15,-667.5 516.15,-664 516.15,-671\"/>\n",
       "</g>\n",
       "<!-- 140650794359520 -->\n",
       "<g id=\"node174\" class=\"node\">\n",
       "<title>140650794359520</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"4818,-471.5 4818,-507.5 5003.25,-507.5 5003.25,-471.5 4818,-471.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4827.88\" y=\"-484.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4837.75,-472 4837.75,-507.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4879.88\" y=\"-484.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.6870</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4922,-472 4922,-507.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4962.62\" y=\"-484.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794359520&#45;&gt;140650794358800+ -->\n",
       "<g id=\"edge139\" class=\"edge\">\n",
       "<title>140650794359520&#45;&gt;140650794358800+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M5003.65,-472.73C5012.39,-471.13 5020.86,-469.59 5028.58,-468.18\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"5028.95,-471.67 5038.16,-466.44 5027.69,-464.79 5028.95,-471.67\"/>\n",
       "</g>\n",
       "<!-- 140650794359520+&#45;&gt;140650794359520 -->\n",
       "<g id=\"edge62\" class=\"edge\">\n",
       "<title>140650794359520+&#45;&gt;140650794359520</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4782.41,-492.81C4789.45,-492.63 4797.5,-492.42 4806.05,-492.2\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4806.13,-495.7 4816.04,-491.94 4805.95,-488.7 4806.13,-495.7\"/>\n",
       "</g>\n",
       "<!-- 140651728198560 -->\n",
       "<g id=\"node176\" class=\"node\">\n",
       "<title>140651728198560</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"931.5,-647.5 931.5,-683.5 1112.25,-683.5 1112.25,-647.5 931.5,-647.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"941.38\" y=\"-660.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"951.25,-648 951.25,-683.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"991.12\" y=\"-660.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 2.4892</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1031,-648 1031,-683.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1071.62\" y=\"-660.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140651728198560&#45;&gt;140651728197072+ -->\n",
       "<g id=\"edge207\" class=\"edge\">\n",
       "<title>140651728198560&#45;&gt;140651728197072+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1112.68,-665.5C1121.86,-665.5 1130.78,-665.5 1138.9,-665.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1138.65,-669 1148.65,-665.5 1138.65,-662 1138.65,-669\"/>\n",
       "</g>\n",
       "<!-- 140651728198560+&#45;&gt;140651728198560 -->\n",
       "<g id=\"edge63\" class=\"edge\">\n",
       "<title>140651728198560+&#45;&gt;140651728198560</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M893.66,-665.5C901.37,-665.5 910.29,-665.5 919.76,-665.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"919.57,-669 929.57,-665.5 919.57,-662 919.57,-669\"/>\n",
       "</g>\n",
       "<!-- 140650661976992 -->\n",
       "<g id=\"node178\" class=\"node\">\n",
       "<title>140650661976992</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-509.5 1874.25,-545.5 2059.5,-545.5 2059.5,-509.5 1874.25,-509.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-522.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-510 1894,-545.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-522.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2116</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1978.25,-510 1978.25,-545.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-522.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0512</text>\n",
       "</g>\n",
       "<!-- 140650661976992&#45;&gt;140650794538640* -->\n",
       "<g id=\"edge96\" class=\"edge\">\n",
       "<title>140650661976992&#45;&gt;140650794538640*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2059.9,-527.5C2069.11,-527.5 2078.05,-527.5 2086.18,-527.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.94,-531 2095.94,-527.5 2085.94,-524 2085.94,-531\"/>\n",
       "</g>\n",
       "<!-- 140650794539984 -->\n",
       "<g id=\"node179\" class=\"node\">\n",
       "<title>140650794539984</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"1874.25,-344.5 1874.25,-380.5 2059.5,-380.5 2059.5,-344.5 1874.25,-344.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1884.12\" y=\"-357.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1894,-345 1894,-380.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"1936.12\" y=\"-357.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2463</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"1978.25,-345 1978.25,-380.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2018.88\" y=\"-357.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794539984&#45;&gt;140650794540176+ -->\n",
       "<g id=\"edge157\" class=\"edge\">\n",
       "<title>140650794539984&#45;&gt;140650794540176+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2059.9,-362.5C2069.11,-362.5 2078.05,-362.5 2086.18,-362.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2085.94,-366 2095.94,-362.5 2085.94,-359 2085.94,-366\"/>\n",
       "</g>\n",
       "<!-- 140650794539984*&#45;&gt;140650794539984 -->\n",
       "<g id=\"edge64\" class=\"edge\">\n",
       "<title>140650794539984*&#45;&gt;140650794539984</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1835.74,-382.54C1843.66,-381.32 1852.9,-379.89 1862.75,-378.38\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1863.24,-381.84 1872.59,-376.86 1862.17,-374.93 1863.24,-381.84\"/>\n",
       "</g>\n",
       "<!-- 140650938506336 -->\n",
       "<g id=\"node181\" class=\"node\">\n",
       "<title>140650938506336</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"309,-539.5 309,-575.5 489.75,-575.5 489.75,-539.5 309,-539.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"318.88\" y=\"-552.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"328.75,-540 328.75,-575.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"368.62\" y=\"-552.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 1.2048</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"408.5,-540 408.5,-575.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"449.12\" y=\"-552.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650938506336&#45;&gt;140650938505328+ -->\n",
       "<g id=\"edge131\" class=\"edge\">\n",
       "<title>140650938506336&#45;&gt;140650938505328+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M463.78,-575.84C473.3,-578.89 482.95,-582.16 492,-585.5 501.84,-589.13 512.37,-593.52 521.9,-597.69\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"520.21,-600.77 530.77,-601.64 523.06,-594.38 520.21,-600.77\"/>\n",
       "</g>\n",
       "<!-- 140650938506336*&#45;&gt;140650938506336 -->\n",
       "<g id=\"edge65\" class=\"edge\">\n",
       "<title>140650938506336*&#45;&gt;140650938506336</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M271.16,-557.5C278.87,-557.5 287.79,-557.5 297.26,-557.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"297.07,-561 307.07,-557.5 297.07,-554 297.07,-561\"/>\n",
       "</g>\n",
       "<!-- 140650794540176 -->\n",
       "<g id=\"node183\" class=\"node\">\n",
       "<title>140650794540176</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-399.5 2190,-435.5 2375.25,-435.5 2375.25,-399.5 2190,-399.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-412.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-400 2209.75,-435.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-412.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0598</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-400 2294,-435.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-412.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794540560+ -->\n",
       "<g id=\"node192\" class=\"node\">\n",
       "<title>140650794540560+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2440.5\" cy=\"-470.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2440.5\" y=\"-465.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794540176&#45;&gt;140650794540560+ -->\n",
       "<g id=\"edge175\" class=\"edge\">\n",
       "<title>140650794540176&#45;&gt;140650794540560+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2351.36,-435.95C2360.2,-438.66 2369.1,-441.54 2377.5,-444.5 2387.23,-447.93 2397.64,-452.09 2407.09,-456.07\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2405.69,-459.27 2416.26,-460 2408.45,-452.84 2405.69,-459.27\"/>\n",
       "</g>\n",
       "<!-- 140650794540176+&#45;&gt;140650794540176 -->\n",
       "<g id=\"edge66\" class=\"edge\">\n",
       "<title>140650794540176+&#45;&gt;140650794540176</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2147.58,-372.78C2159.34,-378.12 2174.19,-384.54 2187.75,-389.5 2193.44,-391.58 2199.37,-393.62 2205.35,-395.6\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2204.11,-398.88 2214.7,-398.61 2206.26,-392.21 2204.11,-398.88\"/>\n",
       "</g>\n",
       "<!-- 140650794360048 -->\n",
       "<g id=\"node185\" class=\"node\">\n",
       "<title>140650794360048</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"4506.75,-528.5 4506.75,-564.5 4692,-564.5 4692,-528.5 4506.75,-528.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4516.62\" y=\"-541.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4526.5,-529 4526.5,-564.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4568.62\" y=\"-541.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.7651</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4610.75,-529 4610.75,-564.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4651.38\" y=\"-541.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794360048&#45;&gt;140650794359520+ -->\n",
       "<g id=\"edge108\" class=\"edge\">\n",
       "<title>140650794360048&#45;&gt;140650794359520+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4653.67,-528.11C4675.55,-520.56 4700.25,-512.04 4719.66,-505.35\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4720.68,-508.7 4728.99,-502.13 4718.4,-502.08 4720.68,-508.7\"/>\n",
       "</g>\n",
       "<!-- 140650794360048+&#45;&gt;140650794360048 -->\n",
       "<g id=\"edge67\" class=\"edge\">\n",
       "<title>140650794360048+&#45;&gt;140650794360048</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4471.16,-551.47C4478.2,-551.19 4486.25,-550.88 4494.8,-550.55\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4494.93,-554.04 4504.79,-550.16 4494.66,-547.05 4494.93,-554.04\"/>\n",
       "</g>\n",
       "<!-- 140650794540368 -->\n",
       "<g id=\"node187\" class=\"node\">\n",
       "<title>140650794540368</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2190,-454.5 2190,-490.5 2375.25,-490.5 2375.25,-454.5 2190,-454.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2199.88\" y=\"-467.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2209.75,-455 2209.75,-490.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2251.88\" y=\"-467.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.2912</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2294,-455 2294,-490.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2334.62\" y=\"-467.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794540368&#45;&gt;140650794540560+ -->\n",
       "<g id=\"edge92\" class=\"edge\">\n",
       "<title>140650794540368&#45;&gt;140650794540560+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2375.65,-471.32C2384.86,-471.2 2393.8,-471.09 2401.93,-470.98\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2401.73,-474.48 2411.69,-470.86 2401.64,-467.49 2401.73,-474.48\"/>\n",
       "</g>\n",
       "<!-- 140650794540368*&#45;&gt;140650794540368 -->\n",
       "<g id=\"edge68\" class=\"edge\">\n",
       "<title>140650794540368*&#45;&gt;140650794540368</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.19,-472.5C2159.87,-472.5 2168.76,-472.5 2178.2,-472.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2178,-476 2188,-472.5 2178,-469 2178,-476\"/>\n",
       "</g>\n",
       "<!-- 140650794360240 -->\n",
       "<g id=\"node189\" class=\"node\">\n",
       "<title>140650794360240</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3974.25,-534.5 3974.25,-570.5 4159.5,-570.5 4159.5,-534.5 3974.25,-534.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3984.12\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3994,-535 3994,-570.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4036.12\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0400</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4078.25,-535 4078.25,-570.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4118.88\" y=\"-547.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794360240&#45;&gt;140650794360048+ -->\n",
       "<g id=\"edge136\" class=\"edge\">\n",
       "<title>140650794360240&#45;&gt;140650794360048+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4159.58,-552.5C4238.5,-552.5 4348.38,-552.5 4405.27,-552.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"4405.06,-556 4415.06,-552.5 4405.06,-549 4405.06,-556\"/>\n",
       "</g>\n",
       "<!-- 140650794360240*&#45;&gt;140650794360240 -->\n",
       "<g id=\"edge69\" class=\"edge\">\n",
       "<title>140650794360240*&#45;&gt;140650794360240</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3717.36,-552.5C3767.55,-552.5 3879.28,-552.5 3962.78,-552.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3962.59,-556 3972.59,-552.5 3962.59,-549 3962.59,-556\"/>\n",
       "</g>\n",
       "<!-- 140650794540560 -->\n",
       "<g id=\"node191\" class=\"node\">\n",
       "<title>140650794540560</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-452.5 2503.5,-488.5 2688.75,-488.5 2688.75,-452.5 2503.5,-452.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-465.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-453 2523.25,-488.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-465.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.3511</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-453 2607.5,-488.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-465.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794540944+ -->\n",
       "<g id=\"node199\" class=\"node\">\n",
       "<title>140650794540944+</title>\n",
       "<ellipse fill=\"none\" stroke=\"black\" cx=\"2751.75\" cy=\"-415.5\" rx=\"27\" ry=\"18\"/>\n",
       "<text text-anchor=\"middle\" x=\"2751.75\" y=\"-410.45\" font-family=\"Times,serif\" font-size=\"14.00\">+</text>\n",
       "</g>\n",
       "<!-- 140650794540560&#45;&gt;140650794540944+ -->\n",
       "<g id=\"edge119\" class=\"edge\">\n",
       "<title>140650794540560&#45;&gt;140650794540944+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2660.53,-452.16C2670.05,-449.11 2679.7,-445.84 2688.75,-442.5 2698.59,-438.87 2709.12,-434.48 2718.65,-430.31\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2719.81,-433.62 2727.52,-426.36 2716.96,-427.23 2719.81,-433.62\"/>\n",
       "</g>\n",
       "<!-- 140650794540560+&#45;&gt;140650794540560 -->\n",
       "<g id=\"edge70\" class=\"edge\">\n",
       "<title>140650794540560+&#45;&gt;140650794540560</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2467.91,-470.5C2474.95,-470.5 2483,-470.5 2491.55,-470.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2491.54,-474 2501.54,-470.5 2491.54,-467 2491.54,-474\"/>\n",
       "</g>\n",
       "<!-- 140650794360528 -->\n",
       "<g id=\"node193\" class=\"node\">\n",
       "<title>140650794360528</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"3976.5,-416.5 3976.5,-452.5 4157.25,-452.5 4157.25,-416.5 3976.5,-416.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"3986.38\" y=\"-429.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"3996.25,-417 3996.25,-452.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4036.12\" y=\"-429.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.0857</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"4076,-417 4076,-452.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"4116.62\" y=\"-429.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794360528&#45;&gt;140650794358800+ -->\n",
       "<g id=\"edge113\" class=\"edge\">\n",
       "<title>140650794360528&#45;&gt;140650794358800+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M4157.63,-436C4233.57,-437.13 4345.28,-438.5 4442.75,-438.5 4442.75,-438.5 4442.75,-438.5 4756,-438.5 4854.47,-438.5 4970.09,-450.24 5028.09,-456.94\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"5027.39,-460.39 5037.73,-458.08 5028.21,-453.43 5027.39,-460.39\"/>\n",
       "</g>\n",
       "<!-- 140650794360528*&#45;&gt;140650794360528 -->\n",
       "<g id=\"edge71\" class=\"edge\">\n",
       "<title>140650794360528*&#45;&gt;140650794360528</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3717.06,-390.77C3767.54,-397.1 3881.06,-411.33 3964.96,-421.85\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3964.47,-425.31 3974.83,-423.09 3965.34,-418.37 3964.47,-425.31\"/>\n",
       "</g>\n",
       "<!-- 140650794540752 -->\n",
       "<g id=\"node195\" class=\"node\">\n",
       "<title>140650794540752</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-167.5 2503.5,-203.5 2688.75,-203.5 2688.75,-167.5 2503.5,-167.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-180.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-168 2523.25,-203.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2565.38\" y=\"-180.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.0772</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2607.5,-168 2607.5,-203.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2648.12\" y=\"-180.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794540752&#45;&gt;140650794540944+ -->\n",
       "<g id=\"edge103\" class=\"edge\">\n",
       "<title>140650794540752&#45;&gt;140650794540944+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2667.81,-203.93C2675.56,-208.11 2682.78,-213.23 2688.75,-219.5 2732.88,-265.84 2745.61,-343.42 2749.27,-385.74\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2745.78,-385.95 2750,-395.67 2752.76,-385.44 2745.78,-385.95\"/>\n",
       "</g>\n",
       "<!-- 140650794540752*&#45;&gt;140650794540752 -->\n",
       "<g id=\"edge72\" class=\"edge\">\n",
       "<title>140650794540752*&#45;&gt;140650794540752</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2466.18,-151.09C2479.67,-154.69 2497.21,-159.37 2515,-164.11\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2514.04,-167.48 2524.6,-166.68 2515.84,-160.72 2514.04,-167.48\"/>\n",
       "</g>\n",
       "<!-- 140650661986016 -->\n",
       "<g id=\"node197\" class=\"node\">\n",
       "<title>140650661986016</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2503.5,-727.5 2503.5,-763.5 2688.75,-763.5 2688.75,-727.5 2503.5,-727.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2513.38\" y=\"-740.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2523.25,-728 2523.25,-763.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2563.12\" y=\"-740.7\" font-family=\"Times,serif\" font-size=\"14.00\">data 0.3226</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2603,-728 2603,-763.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2645.88\" y=\"-740.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad &#45;0.0858</text>\n",
       "</g>\n",
       "<!-- 140650661986016&#45;&gt;140650794539408* -->\n",
       "<g id=\"edge138\" class=\"edge\">\n",
       "<title>140650661986016&#45;&gt;140650794539408*</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2663.54,-727.11C2672.08,-724.4 2680.67,-721.5 2688.75,-718.5 2698.73,-714.8 2709.36,-710.23 2718.95,-705.87\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2720.28,-709.11 2727.88,-701.73 2717.33,-702.77 2720.28,-709.11\"/>\n",
       "</g>\n",
       "<!-- 140650794540944 -->\n",
       "<g id=\"node198\" class=\"node\">\n",
       "<title>140650794540944</title>\n",
       "<polygon fill=\"none\" stroke=\"black\" points=\"2814.75,-397.5 2814.75,-433.5 3000,-433.5 3000,-397.5 2814.75,-397.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2824.62\" y=\"-410.7\" font-family=\"Times,serif\" font-size=\"14.00\"> </text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2834.5,-398 2834.5,-433.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2876.62\" y=\"-410.7\" font-family=\"Times,serif\" font-size=\"14.00\">data &#45;0.4283</text>\n",
       "<polyline fill=\"none\" stroke=\"black\" points=\"2918.75,-398 2918.75,-433.5\"/>\n",
       "<text text-anchor=\"middle\" x=\"2959.38\" y=\"-410.7\" font-family=\"Times,serif\" font-size=\"14.00\">grad 0.0000</text>\n",
       "</g>\n",
       "<!-- 140650794540944&#45;&gt;140651194311888+ -->\n",
       "<g id=\"edge142\" class=\"edge\">\n",
       "<title>140650794540944&#45;&gt;140651194311888+</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M3000.4,-431.67C3009.14,-433.21 3017.61,-434.7 3025.33,-436.05\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"3024.45,-439.45 3034.91,-437.74 3025.66,-432.56 3024.45,-439.45\"/>\n",
       "</g>\n",
       "<!-- 140650794540944+&#45;&gt;140650794540944 -->\n",
       "<g id=\"edge73\" class=\"edge\">\n",
       "<title>140650794540944+&#45;&gt;140650794540944</title>\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2779.16,-415.5C2786.2,-415.5 2794.25,-415.5 2802.8,-415.5\"/>\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2802.79,-419 2812.79,-415.5 2802.79,-412 2802.79,-419\"/>\n",
       "</g>\n",
       "</g>\n",
       "</svg>\n"
      ],
      "text/plain": [
       "<graphviz.graphs.Digraph at 0x7febd0a29720>"
      ]
     },
     "execution_count": 71,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#Tensor with 3 values to represent the 3 scalar inputs that our MLP will recieve \n",
    "x = [2.0, 3.0, -1.0]\n",
    "#Initialize our perception with 3 inputs and 4 neurons in the first layer and 4 neurons in the second layer, the final output is a single value\n",
    "n = MLP(3, [4, 4, 1])\n",
    "#Compute the output of the MLP\n",
    "n(x)\n",
    "#Perform backpropagation to compute the gradients\n",
    "n(x).backward()\n",
    "draw_dot(n(x))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 72,
   "id": "ef1a8dcb-ca27-49ff-b850-64d152df03db",
   "metadata": {},
   "outputs": [],
   "source": [
    "#Dataset that has 4 examples, so 4 inputs into our MLP \n",
    "#We have also defined the desired targets for each of the examples\n",
    "xs = [\n",
    "  [2.0, 3.0, -1.0],\n",
    "  [3.0, -1.0, 0.5],\n",
    "  [0.5, 1.0, 1.0],\n",
    "  [1.0, 1.0, -1.0],\n",
    "]\n",
    "ys = [1.0, -1.0, -1.0, 1.0] # desired targets\n",
    "\n",
    "ypred = [n(x) for x in xs]\n",
    "\n",
    "#Loss function\n",
    "[(ypred - ys )**2 for ys, ypred in zip(ys, ypred)]\n",
    "\n",
    "loss = sum([(ypred - ys )**2 for ys, ypred in zip(ys, ypred)])\n",
    "loss.backward()\n",
    "\n",
    "#The loss function is a scalar value that we can use to evaluate the performance of our neural network"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d0b328ea",
   "metadata": {},
   "outputs": [],
   "source": [
    "#loss.backward()\n",
    "#What this line does: it tells us the gradient of this particular neuron that is in this particular layer \n",
    "n.layers[0].neurons[0].w[0].grad\n",
    "#Even though the initial inputs have gradients, these gradients are not that useful to us, we are interested in the gradients of the weights and biases of the neurons in the network\n",
    "draw_dot(loss)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 80,
   "id": "4256323c-3e65-4742-a648-2dea4cef6c46",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 0.004771506968542856\n",
      "1 0.004707057867581687\n",
      "2 0.004644280975470327\n",
      "3 0.00458311274631034\n",
      "4 0.004523492794021893\n",
      "5 0.004465363699141542\n",
      "6 0.004408670829583594\n",
      "7 0.004353362174204255\n",
      "8 0.004299388188116664\n",
      "9 0.004246701648802011\n",
      "10 0.004195257522149775\n",
      "11 0.0041450128376386485\n",
      "12 0.00409592657193994\n",
      "13 0.004047959540289427\n",
      "14 0.0040010742950307805\n",
      "15 0.003955235030784992\n",
      "16 0.003910407495747766\n",
      "17 0.0038665589086589692\n",
      "18 0.003823657881025671\n",
      "19 0.0037816743442165646\n",
      "20 0.0037405794810756836\n",
      "21 0.0037003456617329816\n",
      "22 0.003660946383314754\n",
      "23 0.0036223562132807335\n",
      "24 0.0035845507361366873\n",
      "25 0.0035475065032904724\n",
      "26 0.0035112009858377434\n",
      "27 0.0034756125300802643\n",
      "28 0.003440720315593865\n",
      "29 0.003406504315678204\n",
      "30 0.0033729452600318095\n",
      "31 0.0033400245995080674\n",
      "32 0.0033077244728185167\n",
      "33 0.0032760276750590338\n",
      "34 0.003244917627944123\n",
      "35 0.0032143783516419273\n",
      "36 0.0031843944381109825\n",
      "37 0.003154951025846101\n",
      "38 0.0031260337759475457\n",
      "39 0.0030976288494333373\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "[Value(data=0.976760224920368, grad=-0.04647955015926408),\n",
       " Value(data=-0.9655472187232866, grad=0.06890556255342672),\n",
       " Value(data=-0.9778339763871765, grad=0.04433204722564699),\n",
       " Value(data=0.9703484407968797, grad=-0.059303118406240696)]"
      ]
     },
     "execution_count": 80,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#THis cell is gradient descent- aka we are computing the gradients in a descending manner aka right to left using the chain rule \n",
    "\n",
    "for k in range(40):\n",
    "  \n",
    "  # forward pass\n",
    "  ypred = [n(x) for x in xs]\n",
    "  loss = sum((yout - ygt)**2 for ygt, yout in zip(ys, ypred))\n",
    "  \n",
    "  # backward pass\n",
    "  for p in n.parameters():\n",
    "    # zero the gradients because pytorch accumulates them\n",
    "    p.grad = 0.0\n",
    "  loss.backward()\n",
    "  \n",
    "  # update\n",
    "  for p in n.parameters():\n",
    "    p.data += -0.1 * p.grad\n",
    "  \n",
    "  print(k, loss.data)\n",
    "ypred"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "id": "edb94bf5-090d-4412-9295-ff1e03bddee3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[Value(data=0.9714704431283672, grad=-0.057059113743265666),\n",
       " Value(data=-0.9569039301584178, grad=0.08619213968316441),\n",
       " Value(data=-0.9721861063530561, grad=0.05562778729388773),\n",
       " Value(data=0.9626787505349371, grad=-0.07464249893012576)]"
      ]
     },
     "execution_count": 79,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ypred"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 68,
   "id": "d211558d-df76-40ae-ac36-115b47f895ea",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[Value(data=0.49315735614652706, grad=0.0005210623517279917),\n",
       " Value(data=0.05299738188147827, grad=0.0002445116991345482),\n",
       " Value(data=-0.8740500504417615, grad=0.00036395748494107426),\n",
       " Value(data=0.4804509047324248, grad=0.0004646721098926183),\n",
       " Value(data=-0.42138346190780224, grad=-0.0005625302675770134),\n",
       " Value(data=1.1603763633212876, grad=-0.00013106317217775025),\n",
       " Value(data=-0.9571960213159505, grad=0.0018840134580377095),\n",
       " Value(data=-0.8547386197413507, grad=-0.0001245510629952612),\n",
       " Value(data=-0.23820454125567417, grad=-0.00019393399983285467),\n",
       " Value(data=0.6746635050939287, grad=9.132667686204731e-05),\n",
       " Value(data=-0.7052594471193785, grad=0.0014822368283009648),\n",
       " Value(data=-0.26842299603461467, grad=0.00015683076800114353),\n",
       " Value(data=0.31579290407466115, grad=4.760541404882785e-05),\n",
       " Value(data=-0.7215730216090102, grad=-0.00028595975597146616),\n",
       " Value(data=0.3839451431543281, grad=-0.00019876456762084067),\n",
       " Value(data=-0.7418992143844756, grad=-0.0001765855626391519),\n",
       " Value(data=-0.6128077807317183, grad=-0.00033730125266151397),\n",
       " Value(data=0.031016787956729856, grad=-0.0006871768045551793),\n",
       " Value(data=0.3833705884343873, grad=-0.0005285337050974835),\n",
       " Value(data=-0.7373025529314632, grad=-1.0481248356188462e-05),\n",
       " Value(data=0.2044400299407368, grad=0.00023750402611226695),\n",
       " Value(data=-0.9018734508597562, grad=-8.186989838181051e-05),\n",
       " Value(data=-0.8893324205472016, grad=0.0010509625744969358),\n",
       " Value(data=-0.5850114565591483, grad=0.0009366575068955774),\n",
       " Value(data=-0.5089857645128506, grad=-0.0005526685296012701),\n",
       " Value(data=0.2394354468368903, grad=-0.00048685003526399603),\n",
       " Value(data=-0.6220069652341228, grad=-0.0011005670877046296),\n",
       " Value(data=1.110054352990239, grad=-0.0011187590118066344),\n",
       " Value(data=0.8462569008654353, grad=-0.0009984662959263732),\n",
       " Value(data=0.2046874309245017, grad=0.0007146481430609394),\n",
       " Value(data=-0.1996818962340659, grad=-0.0006555038925754581),\n",
       " Value(data=-0.6186330430481926, grad=0.0003305257631581611),\n",
       " Value(data=-0.8710861714834336, grad=0.0012637607225809892),\n",
       " Value(data=-0.1619385724209177, grad=0.000951169551722589),\n",
       " Value(data=0.34366508492497755, grad=0.00015004330168211184),\n",
       " Value(data=0.459786297952855, grad=-0.0007998842503885215),\n",
       " Value(data=0.3705489129462121, grad=-0.00016942494015488433),\n",
       " Value(data=-0.9701445499776788, grad=0.00332741893014953),\n",
       " Value(data=0.9964372950478257, grad=-0.00305103267513086),\n",
       " Value(data=-1.0782854228287138, grad=0.0032215028572159586),\n",
       " Value(data=0.12510583961620925, grad=0.0014238755769803793)]"
      ]
     },
     "execution_count": 68,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#These are the parameters for the weights and biases that allow this neural net to achieve our desired outputs\n",
    "n.parameters()"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.10.10"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}