org.opensourcephysics.numerics.specialfunctions
Class Bessel

java.lang.Object
  org.opensourcephysics.numerics.specialfunctions.Bessel

public class Bessel
extends java.lang.Object

Constructor Summary

Bessel()

Method Summary

static double	bessel0(double x)
static double	bessel1(double x)
static double	besseln(int n, double x) Computes the Bessel function of order n at x.
static double	besselnDerivative(int n, double x) Computes the derivative of the Bessel function of order n at x.
static double[]	besselnZeros(int n, int nt) Computes nt zeroes of the n-th order Bessel function
static Function	getDerivative(int n) Gets the derivative of the Bessel function with the given order.
static Function	getFunction(int n) Gets the Bessel function with the given order.

Methods inherited from class java.lang.Object

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

Constructor Detail

Bessel

public Bessel()

Method Detail

getFunction

public static Function getFunction(int n)

Gets the Bessel function with the given order.

getDerivative

public static Function getDerivative(int n)

Gets the derivative of the Bessel function with the given order.

besseln

public static double besseln(int n,
                             double x)

Computes the Bessel function of order n at x.

Parameters:

n -

x -

Returns:

besselnDerivative

public static double besselnDerivative(int n,
                                       double x)

Computes the derivative of the Bessel function of order n at x.

Parameters:

n -

x -

Returns:

besselnZeros

public static double[] besselnZeros(int n,
                                    int nt)

Computes nt zeroes of the n-th order Bessel function

Parameters:

n -

nt -

Returns:

bessel0

public static double bessel0(double x)

bessel1

public static double bessel1(double x)