gov.sandia.cognition.statistics.distribution

Class InverseWishartDistribution.MultivariateGammaFunction

java.lang.Object

gov.sandia.cognition.statistics.distribution.InverseWishartDistribution.MultivariateGammaFunction

Enclosing class:

InverseWishartDistribution

@PublicationReference(author="Wikipedia",
                      title="Multivariate gamma function",
                      type=WebPage,
                      year=2010,
                      url="http://en.wikipedia.org/wiki/Multivariate_gamma_function")
public static class InverseWishartDistribution.MultivariateGammaFunction
extends java.lang.Object

Multivariate generalization of the Gamma function.

Field Summary

Fields

Modifier and Type	Field and Description
static double	LOG_PI Natural logarithm of pi.

Constructor Summary

Constructors

Constructor and Description
MultivariateGammaFunction()

Method Summary

Modifier and Type	Method and Description
static double	logEvaluate(double x, int p) Evaluates the logarithm of the Multivariate Gamma Function

Methods inherited from class java.lang.Object

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

Field Detail

LOG_PI

public static final double LOG_PI

Natural logarithm of pi.

Constructor Detail

MultivariateGammaFunction

public MultivariateGammaFunction()

Method Detail

logEvaluate

public static double logEvaluate(double x,
                                 int p)

Evaluates the logarithm of the Multivariate Gamma Function

Parameters:

x - Input to consider

p - Dimensionality

Returns:

Logarithm of the Multivariate Gamma Function