math.function

Class AbstractFunction

java.lang.Object

math.function.AbstractFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

CubicFunction, GeneralFunction, QuadraticFunction

public abstract class AbstractFunction
extends Object
implements Function

A partial implementation of a scalar-valued function of one variable.

Constructor Summary

Constructors

Constructor and Description
AbstractFunction()

Method Summary

Modifier and Type	Method and Description
int	functionEvaluations() The number of times this function has been evaluated.
double	slopeAt(double point) Compute and return the slope at the given point.
double	slopeAt(double point, double functionValue)
int	slopeEvaluations() The number of times the slope 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.Function

at

Constructor Detail

AbstractFunction

public AbstractFunction()

Method Detail

slopeAt

public double slopeAt(double point)

Compute and return the slope at the given point.

Parameters:

point - an element of the function's domain.

Returns:

the slope of the function at the given point.

slopeAt

public double slopeAt(double 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.

slopeEvaluations

public int slopeEvaluations()

The number of times the slope has been computed.

Returns:

the number of times the slope has been computed.