de.htwdd.rosenkoenig.neuro.net
Class Identity

java.lang.Object
  de.htwdd.rosenkoenig.neuro.net.Identity

All Implemented Interfaces:

ActivationFunction

public class Identity
extends java.lang.Object
implements ActivationFunction

This is a dummy function that returns the same value for compute that was given to the function and 1.0 for computeDerivation. This is a singleton.

Field Summary

private static Identity

instance

Constructor Summary

private

Identity() Ctor, only call base class ctor.

Method Summary

double	compute(double value) Return the identical value.
double	computeDerivation(double value) This function always returns 1.0.
static Identity	getInstance() Getter of the property instance

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static Identity instance

Constructor Detail

Identity

private Identity()

Ctor, only call base class ctor. Is private, as class is a singleton.

Method Detail

compute

public double compute(double value)

Return the identical value.

Specified by:

compute in interface ActivationFunction

Parameters:

value - the value to be returned.

Returns:

returns value

computeDerivation

public double computeDerivation(double value)

This function always returns 1.0.

Specified by:

computeDerivation in interface ActivationFunction

Parameters:

value - some arbitrary rubbish.

Returns:

always returns 1.0

getInstance

public static Identity getInstance()

Getter of the property instance

Returns:

Returns the instance.