mikera.vectorz.ops

Class CrossEntropy

java.lang.Object

mikera.vectorz.Op2

mikera.vectorz.ops.CrossEntropy

public final class CrossEntropy
extends Op2

Binary operator to compute cross entropy between an output and target value given two probability values in range 0..1

Author:

Mike

Constructor Summary

Constructors

Constructor and Description
CrossEntropy()

Method Summary

Modifier and Type	Method and Description
double	apply(double x, double y)
void	applyTo(double[] data, int start, int length, AVector b)
Op2	getDerivative(int i) Gets the derivative of this Op2 with respect to the specified parameter (0 or 1)

Methods inherited from class mikera.vectorz.Op2

applyTo, applyTo, applyTo, applyTo, applyTo, applyTo, applyTo, applyTo, averageValue, constrainValues, isBounded, isStochastic, maxValue, minValue, reduce, reduce, reduceZeros, reduceZeros, toString, validateOutput

Methods inherited from class java.lang.Object

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

Constructor Detail

CrossEntropy

public CrossEntropy()

Method Detail

apply

public double apply(double x,
                    double y)

Specified by:

apply in class Op2

applyTo

public void applyTo(double[] data,
                    int start,
                    int length,
                    AVector b)

Overrides:

applyTo in class Op2

getDerivative

public Op2 getDerivative(int i)

Description copied from class: Op2

Gets the derivative of this Op2 with respect to the specified parameter (0 or 1)

Overrides:

getDerivative in class Op2

Returns: