org.apache.commons.math.distribution
Interface HasDensity<P>

Type Parameters:
P - the type of the point at which density is to be computed, this may be for example Double
All Known Subinterfaces:
BetaDistribution, ChiSquaredDistribution, ExponentialDistribution, GammaDistribution, NormalDistribution
All Known Implementing Classes:
BetaDistributionImpl, ChiSquaredDistributionImpl, ExponentialDistributionImpl, GammaDistributionImpl, NormalDistributionImpl

public interface HasDensity<P>

Interface that signals that a distribution can compute the probability density function for a particular point.

Version:
$Revision: 705239 $ $Date: 2008-10-16 09:32:32 -0400 (Thu, 16 Oct 2008) $

Method Summary
 double density(P x)
          Compute the probability density function.
 

Method Detail

density

double density(P x)
               throws MathException
Compute the probability density function.

Parameters:
x - point for which the probability density is requested
Returns:
probability density at point x
Throws:
MathException - if probability density cannot be computed at specifed point


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