org.shapelogic.machinelearning
Class FFNeuralNetwork

java.lang.Object
  org.shapelogic.machinelearning.FFNeuralNetwork

All Implemented Interfaces:

Calc1<double[],double[]>

public class FFNeuralNetwork
extends java.lang.Object
implements Calc1<double[],double[]>

Feed Forward Neural Network with external training.
The bias is considered the zeroth element of the synaptic weight.

Author:

Sami Badawi

Field Summary

protected int	_biasWeight There is not agreement about whether the bias should be 1 or -1. In Joone it seems to be 1, so for now it is set to 1 here.
protected java.util.ArrayList<java.lang.Integer>	_layerNodes
protected java.util.ArrayList<double[]>	_layerWeights
protected java.lang.String	_message
int	nInputNodes
int	nOutputNodes

Constructor Summary

FFNeuralNetwork(int nInput, int nOutput)

Method Summary

boolean	addLayer(double[] layer)
boolean	addLayers(double[][] layers)
double[]	calcLayer(double[] lastResult, int layerNumber)
java.util.ArrayList<java.lang.Integer>	getLayerNodes()
int	getLayerNodesInTopLayer()
java.util.ArrayList<double[]>	getLayerWeights()
java.lang.String	getMessage()
double[]	invoke(double[] input)
double	transform(double input)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

nInputNodes

public final int nInputNodes

nOutputNodes

public final int nOutputNodes

_layerNodes

protected java.util.ArrayList<java.lang.Integer> _layerNodes

_layerWeights

protected java.util.ArrayList<double[]> _layerWeights

_message

protected java.lang.String _message

_biasWeight

protected int _biasWeight

There is not agreement about whether the bias should be 1 or -1.

In Joone it seems to be 1, so for now it is set to 1 here.

It might be changed to be ajudstable.

Constructor Detail

FFNeuralNetwork

public FFNeuralNetwork(int nInput,
                       int nOutput)

Method Detail

invoke

public double[] invoke(double[] input)

Specified by:

invoke in interface Calc1<double[],double[]>

calcLayer

public double[] calcLayer(double[] lastResult,
                          int layerNumber)

addLayer

public boolean addLayer(double[] layer)

addLayers

public boolean addLayers(double[][] layers)

transform

public double transform(double input)

getLayerNodes

public java.util.ArrayList<java.lang.Integer> getLayerNodes()

getLayerNodesInTopLayer

public int getLayerNodesInTopLayer()

getLayerWeights

public java.util.ArrayList<double[]> getLayerWeights()

getMessage

public java.lang.String getMessage()