brain.js

xholonWorkbook.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--Xholon Workbook http://www.primordion.com/Xholon/gwt/ MIT License, Copyright (C) Ken Webb, Wed Mar 27 2019 12:46:44 GMT-0400 (Eastern Daylight Time)-->
<XholonWorkbook>

<Notes><![CDATA[
Xholon
------
Title: brain.js
Description: 
Url: http://www.primordion.com/Xholon/gwt/
InternalName: 1dfa7272c9300a1b5213b5056e7bc4f8
Keywords: 

My Notes
--------
March 27, 2019

Keyfer Mathewson gave a presentation last night at the Machine Learning & Artificial Intelligence meetup. He demoed brain.js and TensorFlow.js.
In this workbook, I explore brain.js.

http://127.0.0.1:8888/Xholon.html?app=brain.js&src=lstr&gui=clsc&jslib=brain.js/browser

References
----------
(1) https://github.com/BrainJS/brain.js
    Neural networks in JavaScript

(2) https://www.meetup.com/Machine-Learning-Artificial-Intelligence-Ottawa/

]]></Notes> 

<_-.XholonClass>
  <PhysicalSystem/>
  
  <Brain/>
  
</_-.XholonClass>

<xholonClassDetails>
  
</xholonClassDetails>

<PhysicalSystem>
  <Brain/>
</PhysicalSystem>

<Brainbehavior implName="org.primordion.xholon.base.Behavior_gwtjs"><![CDATA[
var me, beh = {
  postConfigure: function() {
    me = this.cnode.parent();
    me.println("starting Brainbehavior ...");
    // provide optional config object (or undefined). Defaults shown.
    const config = {
      binaryThresh: 0.5,
      hiddenLayers: [3],     // array of ints for the sizes of the hidden layers in the network
      activation: 'sigmoid',  // supported activation types: ['sigmoid', 'relu', 'leaky-relu', 'tanh'],
      leakyReluAlpha: 0.01   // supported for activation type 'leaky-relu'
    };
    
    // create a simple feed forward neural network with backpropagation
    const net = new $wnd.brain.NeuralNetwork(config);
    
    net.train([
      {input: [0, 0], output: [0]},
      {input: [0, 1], output: [1]},
      {input: [1, 0], output: [1]},
      {input: [1, 1], output: [0]}
    ]);
    
    const output = net.run([1, 0]);  // [0.987] [0.9332800507545471]
    //console.log(output);
    me.println(output);
  },
  act: function() {
    //me.println(this.toString());
  }
}
//# sourceURL=Brainbehavior.js
]]></Brainbehavior>

<SvgClient><Attribute_String roleName="svgUri"><![CDATA[data:image/svg+xml,
<svg width="100" height="50" xmlns="http://www.w3.org/2000/svg">
  <g>
    <title>Brain</title>
    <rect id="PhysicalSystem/Brain" fill="#98FB98" height="50" width="50" x="25" y="0"/>
    <g>
      <title>Brain</title>
      <rect id="PhysicalSystem/Brain" fill="#6AB06A" height="50" width="10" x="80" y="0"/>
    </g>
  </g>
</svg>
]]></Attribute_String><Attribute_String roleName="setup">${MODELNAME_DEFAULT},${SVGURI_DEFAULT}</Attribute_String></SvgClient>

</XholonWorkbook>