org.apache.commons.math.optimization.fitting

Class HarmonicFitter.ParametricHarmonicFunction

java.lang.Object

org.apache.commons.math.optimization.fitting.HarmonicFitter.ParametricHarmonicFunction

All Implemented Interfaces:

ParametricRealFunction

Enclosing class:

HarmonicFitter

private static class HarmonicFitter.ParametricHarmonicFunction
extends java.lang.Object
implements ParametricRealFunction

Parametric harmonic function.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ParametricHarmonicFunction()

Method Summary

Modifier and Type	Method and Description
double[]	gradient(double x, double[] parameters) Compute the gradient of the function with respect to its parameters.
double	value(double x, double[] parameters) Compute the value of the function.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParametricHarmonicFunction

private ParametricHarmonicFunction()

Method Detail

value

public double value(double x,
                    double[] parameters)

Compute the value of the function.

Specified by:

value in interface ParametricRealFunction

Parameters:

x - the point for which the function value should be computed

parameters - function parameters

Returns:

the value

gradient

public double[] gradient(double x,
                         double[] parameters)

Compute the gradient of the function with respect to its parameters.

Specified by:

gradient in interface ParametricRealFunction

Parameters:

x - the point for which the function value should be computed

parameters - function parameters

Returns:

the value