Bessel

java.lang.Object

org.opensourcephysics.numerics.specialfunctions.Bessel

public class Bessel extends Object

Constructor Summary

Constructors

Constructor

Description

Bessel()
Method Summary

Modifier and Type

Method

Description

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 Details
- Bessel
  
  public Bessel()
Method Details
- 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)