org.jquantlib.math.distributions

Class GammaFunction

java.lang.Object

org.jquantlib.math.distributions.GammaFunction

public class GammaFunction
extends java.lang.Object

In mathematics, the Gamma function is an extension of the factorial function to real and complex numbers. The Gamma function is a component in various probability-distribution functions, and as such it is applicable in the fields of probability and statistics, as well as combinatorics.

See Also:

Gamma Function

Constructor Summary

Constructors

Constructor and Description
GammaFunction()

Method Summary

Modifier and Type	Method and Description
double	logValue(double x) Computes the log of the Gamma.

Methods inherited from class java.lang.Object

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

Constructor Detail

GammaFunction

public GammaFunction()

Method Detail

logValue

public double logValue(double x)

Computes the log of the Gamma.

Parameters:

x -

Returns:

-temp+Math.log(2.5066282746310005*ser/x)