mikera.vectorz.ops

Class Reciprocal

java.lang.Object

mikera.vectorz.Op

mikera.vectorz.ops.AFunctionOp

mikera.vectorz.ops.Reciprocal

All Implemented Interfaces:

ITransform, IOp

public final class Reciprocal
extends AFunctionOp

Field Summary

Fields

Modifier and Type	Field and Description
static Reciprocal	INSTANCE

Constructor Summary

Constructors

Constructor and Description
Reciprocal()

Method Summary

Methods

Modifier and Type	Method and Description
double	apply(double x) Applies the operator to a single value, returning the result
void	applyTo(AVector a)
void	applyTo(double[] data, int start, int length)
void	applyTo(INDArray a)
double	averageValue()
double	derivative(double x) Returns the derivative of this Op for a given input value x i.e.
double	derivativeForOutput(double y) Returns the derivative of this Op for a given output value y i.e.
Op	getInverse()
boolean	hasDerivative()
boolean	hasInverse()

Methods inherited from class mikera.vectorz.Op

applyInverse, applyTo, applyTo, applyTo, applyTo, applyTo, compose, compose, constrainValues, divide, getDerivativeOp, getTransform, hasDerivativeForOutput, inputDimensions, isBounded, isDomainBounded, isStochastic, maxDomain, maxValue, minDomain, minValue, outputDimensions, product, sum, toString, transform, validateOutput

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final Reciprocal INSTANCE

Constructor Detail

Reciprocal

public Reciprocal()

Method Detail

applyTo

public void applyTo(INDArray a)

Overrides:

applyTo in class Op

applyTo

public void applyTo(AVector a)

Specified by:

applyTo in interface IOp

Overrides:

applyTo in class Op

applyTo

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

Specified by:

applyTo in interface IOp

Overrides:

applyTo in class Op

apply

public double apply(double x)

Description copied from interface: IOp

Applies the operator to a single value, returning the result

Specified by:

apply in interface IOp

Specified by:

apply in class Op

Returns:

derivative

public double derivative(double x)

Description copied from class: Op

Returns the derivative of this Op for a given input value x i.e. f'(x) where f is the operator

Overrides:

derivative in class Op

Returns:

derivativeForOutput

public double derivativeForOutput(double y)

Description copied from class: Op

Returns the derivative of this Op for a given output value y i.e. f'(g(y)) where f is the operator, g is the inverse of f

Overrides:

derivativeForOutput in class Op

Returns:

averageValue

public double averageValue()

Overrides:

averageValue in class AFunctionOp

hasInverse

public boolean hasInverse()

Overrides:

hasInverse in class Op

getInverse

public Op getInverse()

Specified by:

getInverse in interface IOp

Overrides:

getInverse in class Op

hasDerivative

public boolean hasDerivative()

Overrides:

hasDerivative in class Op