mikera.vectorz.ops

Class ALinearOp

java.lang.Object

mikera.vectorz.Op

mikera.vectorz.ops.APolynomialOp

mikera.vectorz.ops.ALinearOp

All Implemented Interfaces:

IOperator

Direct Known Subclasses:

Constant, Identity, Linear, Offset

public abstract class ALinearOp
extends APolynomialOp

Constructor Summary

Constructors

Constructor and Description
ALinearOp()

Method Summary

Modifier and Type	Method and Description
void	applyTo(AVector v) Applies this operator to a mutable vector.
void	applyTo(INDArray a) Applies this operator to every element of a target array.
Op	compose(Op op)
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.
abstract double	getConstant()
Op	getDerivativeOp() Gets an operator which represents the derivative of this operator.
abstract double	getFactor()
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
Op	sum(ALinearOp op)
Op	sum(Op op)

Methods inherited from class mikera.vectorz.Op

apply, applyInverse, applyTo, applyTo, applyTo, applyTo, applyTo, applyTo, applyTo, averageValue, compose, constrainValues, divide, getInverse, getTransform, hasDerivativeForOutput, isBounded, isDomainBounded, isStochastic, maxDomain, maxValue, minDomain, minValue, product, toString, validateOutput

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ALinearOp

public ALinearOp()

Method Detail

getFactor

public abstract double getFactor()

getConstant

public abstract double getConstant()

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:

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 v)

Description copied from interface: IOperator

Applies this operator to a mutable vector.

Specified by:

applyTo in interface IOperator

Overrides:

applyTo 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 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:

getDerivativeOp

public Op getDerivativeOp()

Description copied from class: Op

Gets an operator which represents the derivative of this operator. Returns nil if this cannot be computed or does not exist.

Overrides:

getDerivativeOp in class Op

Returns:

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:

compose

public Op compose(Op op)

Overrides:

compose in class Op

sum

public Op sum(ALinearOp op)

sum

public Op sum(Op op)

Overrides:

sum in class Op