org.joone.structure
Class BiasNode

java.lang.Object
  org.joone.structure.AbstractNode
      org.joone.structure.InputNode
          org.joone.structure.BiasNode

All Implemented Interfaces:

Node

public class BiasNode
extends InputNode

A bias node. A bias node is simply an input node that fires a constant, default 1, every time it is asked for an output value.

Author:

mg

Field Summary

Fields inherited from class org.joone.structure.AbstractNode

connections, derivativeFunction, lastDerivative, lastDerivativePattern, lastInputValue, lastOutputValue, lastPattern, order, transportFunction

Constructor Summary

BiasNode()
The default bias node that fires 1s all the time

BiasNode(double bias)
A bias node that fires the given value each time

Method Summary

double	getInputValue(int pattern) The node's input value which is simply the bias
double	getOutputValue(int pattern) Retrieve the output value, which is the bias

Methods inherited from class org.joone.structure.InputNode

setInputValue

Methods inherited from class org.joone.structure.AbstractNode

calculateOrder, getConnections, getDerivative, getOrder, getTreeNode, setOrder

Methods inherited from class java.lang.Object

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

Constructor Detail

BiasNode

public BiasNode()

The default bias node that fires 1s all the time

BiasNode

public BiasNode(double bias)

A bias node that fires the given value each time

Method Detail

getInputValue

public double getInputValue(int pattern)

The node's input value which is simply the bias

Specified by:

getInputValue in interface Node

Overrides:

getInputValue in class AbstractNode

Parameters:

pattern - the pattern number, 1 for the first pattern

getOutputValue

public double getOutputValue(int pattern)

Retrieve the output value, which is the bias

Specified by:

getOutputValue in interface Node

Overrides:

getOutputValue in class InputNode

Parameters:

pattern - the pattern number, 1 for the first pattern