net.finmath.rootfinder

Interface RootFinderWithDerivative

All Known Implementing Classes:

AbstractRootFinder, NewtonsMethod, SecantMethod

public interface RootFinderWithDerivative

This is the interface for a one dimensional root finder implemented as an question-and-answer algorithm.

Author:

Christian Fries

Date:

2008-04-06

Method Summary

Modifier and Type	Method and Description
double	getAccuracy()
double	getBestPoint()
double	getNextPoint()
int	getNumberOfIterations()
boolean	isDone()
void	setValueAndDerivative(double value, double derivative)

Method Detail

getNextPoint

double getNextPoint()

Returns:

Next point for which a value should be set using setValue.

setValueAndDerivative

void setValueAndDerivative(double value,
                           double derivative)

Parameters:

value - The value corresponding to the point returned by previous getNextPoint call.

derivative - The derivative corresponding to the point returned by previous getNextPoint call.

getNumberOfIterations

int getNumberOfIterations()

Returns:

Returns the numberOfIterations.

getAccuracy

double getAccuracy()

Returns:

Returns the accuracy.

isDone

boolean isDone()

Returns:

Returns the isDone.

getBestPoint

double getBestPoint()

Returns:

Best point optained so far