mikera.vectorz.ops

Class Reciprocal

java.lang.Object

mikera.vectorz.Op

mikera.vectorz.ops.AFunctionOp

mikera.vectorz.ops.Reciprocal

All Implemented Interfaces:

IOperator

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

Modifier and Type	Method and Description
double	apply(double x) Applies this operator to a single value, returning the result
void	applyTo(AVector a) Applies this operator to a mutable vector.
void	applyTo(double[] data, int start, int length) Applies this operator to the specified range within a double[] array.
void	applyTo(INDArray a) Applies this operator to every element of a target array.
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() Gets the inverse of this operator.
boolean	hasDerivative() Returns true if this operator supports computing the derivative for a given input
boolean	hasInverse() Returns true if this operator supports computing the inverse for a given output

Methods inherited from class mikera.vectorz.Op

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

Methods inherited from class java.lang.Object

equals, 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)

Description copied from class: Op

Applies this operator to every element of a target array. Mutates the array in place.

Overrides:

applyTo in class Op

applyTo

public void applyTo(AVector a)

Description copied from interface: IOperator

Applies this operator to a mutable vector.

Specified by:

applyTo in interface IOperator

Overrides:

applyTo in class Op

applyTo

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

Description copied from interface: IOperator

Applies this operator to the specified range within a double[] array.

Specified by:

applyTo in interface IOperator

Overrides:

applyTo in class Op

apply

public double apply(double x)

Description copied from interface: IOperator

Applies this operator to a single value, returning the result

Specified by:

apply in interface IOperator

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()

Description copied from class: Op

Returns true if this operator supports computing the inverse for a given output

Overrides:

hasInverse in class Op

Returns:

getInverse

public Op getInverse()

Description copied from interface: IOperator

Gets the inverse of this operator. Returns null if no inverse exists.

Specified by:

getInverse in interface IOperator

Overrides:

getInverse in class Op

Returns:

hasDerivative

public boolean hasDerivative()

Description copied from class: Op

Returns true if this operator supports computing the derivative for a given input

Overrides:

hasDerivative in class Op

Returns: