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

java.lang.Object
  extended by 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 Object

Multivariate generalization of the Gamma function.


Field Summary
static double LOG_PI
          Natural logarithm of pi.
 
Constructor Summary
InverseWishartDistribution.MultivariateGammaFunction()
           
 
Method Summary
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

InverseWishartDistribution.MultivariateGammaFunction

public InverseWishartDistribution.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