Android Open Source - smsAndCallFilter Neuron

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License

The source code is released under:

/* * Author: Hasib Al Muhaimin. * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the L...

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Java Source Code

/*
 * Author: Hasib Al Muhaimin.//from www  .  ja v a2  s.co  m
 * 
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 */

package com.sadakhata.ml;


import java.io.*;

class Neuron implements Serializable{
  double weightVector[];
  int numInEdges;
  double y, z;
  double delta;
  double bigDelta[];

  public Neuron(int inputEdges)
  {
    numInEdges = inputEdges;
    weightVector = new double[numInEdges];
    bigDelta = new double[numInEdges];

    for(int i=0; i<weightVector.length; i++)
    {
      weightVector[i] = getRandomNumber(numInEdges);
    }
  }

  public double getRandomNumber(int n)
  {
    //return Math.random() - 0.5;
    return (2*Math.random() - 1.0) / Math.sqrt(n); // a random number between [-1/sqrt(n), 1/sqrt(n)]
  }

}

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