mikera.vectorz.ops

Class Constant

java.lang.Object

mikera.vectorz.Op

mikera.vectorz.ops.APolynomialOp

mikera.vectorz.ops.ALinearOp

mikera.vectorz.ops.Constant

All Implemented Interfaces:

ITransform, IOp

public final class Constant
extends ALinearOp

Field Summary

Fields

Modifier and Type	Field and Description
static Constant	ONE
double	value
static Constant	ZERO

Method Summary

Methods

Modifier and Type	Method and Description
double	apply(double x) Applies the operator to a single value, returning the result
double	applyInverse(double x) Applies the inverse of this Op.
void	applyTo(AVector v)
void	applyTo(double[] data)
void	applyTo(double[] data, int start, int length)
double	averageValue()
Op	compose(Op op)
static Constant	create(double constant)
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.
double	getConstant()
Op	getDerivativeOp()
double	getFactor()
double	maxValue()
double	minValue()
Op	product(Op op)

Methods inherited from class mikera.vectorz.ops.ALinearOp

hasDerivative, hasInverse, sum, sum

Methods inherited from class mikera.vectorz.Op

applyTo, applyTo, compose, constrainValues, getInverse, getTransform, hasDerivativeForOutput, inputDimensions, isBounded, isStochastic, outputDimensions, toString, transform, validateOutput

Methods inherited from class java.lang.Object

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

Field Detail

value

public final double value

ZERO

public static final Constant ZERO

ONE

public static final Constant ONE

Method Detail

create

public static final Constant create(double constant)

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:

applyInverse

public double applyInverse(double x)

Description copied from class: Op

Applies the inverse of this Op. Throws an error if the inverse function does not exist. Returns Double.NaN if no inverse exists for the specific value of y.

Overrides:

applyInverse in class Op

Returns:

applyTo

public void applyTo(AVector v)

Specified by:

applyTo in interface IOp

Overrides:

applyTo in class Op

applyTo

public void applyTo(double[] data)

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

getFactor

public double getFactor()

Specified by:

getFactor in class ALinearOp

getConstant

public double getConstant()

Specified by:

getConstant in class ALinearOp

minValue

public double minValue()

Overrides:

minValue in class Op

maxValue

public double maxValue()

Overrides:

maxValue in class Op

averageValue

public double averageValue()

Specified by:

averageValue in class Op

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 ALinearOp

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 ALinearOp

Returns:

getDerivativeOp

public Op getDerivativeOp()

Overrides:

getDerivativeOp in class ALinearOp

compose

public Op compose(Op op)

Overrides:

compose in class ALinearOp

product

public Op product(Op op)

Overrides:

product in class Op