org.apache.commons.math3.analysis.function

Class HarmonicOscillator

java.lang.Object

org.apache.commons.math3.analysis.function.HarmonicOscillator

All Implemented Interfaces:

DifferentiableUnivariateFunction, UnivariateFunction

public class HarmonicOscillator
extends Object
implements DifferentiableUnivariateFunction

simple harmonic oscillator function.

Since:

3.0

Version:

$Id$

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HarmonicOscillator.Parametric Parametric function where the input array contains the parameters of the harmonic oscillator function, ordered as follows: Amplitude Angular frequency Phase

Constructor Summary

Constructors

Constructor and Description
HarmonicOscillator(double amplitude, double omega, double phase) Harmonic oscillator function.

Method Summary

Methods

Modifier and Type	Method and Description
UnivariateFunction	derivative() Returns the derivative of the function
double	value(double x) 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

HarmonicOscillator

public HarmonicOscillator(double amplitude,
                  double omega,
                  double phase)

Harmonic oscillator function.

Parameters:

amplitude - Amplitude.

omega - Angular frequency.

phase - Phase.

Method Detail

value

public double value(double x)

Compute the value of the function.

Specified by:

value in interface UnivariateFunction

Parameters:

x - Point at which the function value should be computed.

Returns:

the value of the function.

derivative

public UnivariateFunction derivative()

Returns the derivative of the function

Specified by:

derivative in interface DifferentiableUnivariateFunction

Returns:

the derivative function