math.function

Class AbstractMultivariateFunction

java.lang.Object

math.function.AbstractMultivariateFunction

All Implemented Interfaces:

MultivariateFunction

public abstract class AbstractMultivariateFunction
extends Object
implements MultivariateFunction

A partial implementation of a scalar-valued function of several variables.

Constructor Summary

Constructors

Constructor and Description
AbstractMultivariateFunction()

Method Summary

Modifier and Type	Method and Description
int	functionEvaluations() The number of times this function has been evaluated.
Vector	gradientAt(Vector point)
Vector	gradientAt(Vector point, double functionValue)
int	gradientEvaluations() The number of times the gradient has been computed.

Methods inherited from class java.lang.Object

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

Methods inherited from interface math.function.MultivariateFunction

at

Constructor Detail

AbstractMultivariateFunction

public AbstractMultivariateFunction()

Method Detail

gradientAt

public Vector gradientAt(Vector point)

gradientAt

public Vector gradientAt(Vector point,
                         double functionValue)

functionEvaluations

public int functionEvaluations()

The number of times this function has been evaluated.

Returns:

the number of times this function has been evaluated.

gradientEvaluations

public int gradientEvaluations()

The number of times the gradient has been computed.

Returns:

the number of times the gradient has been computed.