edu.umd.cloud9.math
Class Gamma

java.lang.Object
  edu.umd.cloud9.math.Gamma

public class Gamma
extends Object

Author:

Mihai Preda, original author, Ke Zhai, add in trigamma and digamma function approximations.

Constructor Summary

Gamma()

Method Summary

static double	digamma(double x) Approximate digamma of x.
static double	lngamma(double x)
static double	logGamma(double x) Deprecated.
static void	main(String[] argv)
static double	trigamma(double x) Approximate the trigamma of x.

Methods inherited from class java.lang.Object

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

Constructor Detail

Gamma

public Gamma()

Method Detail

main

public static void main(String[] argv)

digamma

public static double digamma(double x)

Approximate digamma of x.

Parameters:

x -

Returns:

trigamma

public static double trigamma(double x)

Approximate the trigamma of x.

Parameters:

x -

Returns:

lngamma

public static double lngamma(double x)

logGamma

public static double logGamma(double x)

Deprecated.

Parameters:

x -

Returns: