org.apache.commons.math.distribution

Interface ExponentialDistribution

All Superinterfaces:

ContinuousDistribution, Distribution, HasDensity<Double>

All Known Implementing Classes:

ExponentialDistributionImpl

public interface ExponentialDistribution
extends ContinuousDistribution, HasDensity<Double>

The Exponential Distribution.

References:

• Exponential Distribution

Version:

$Revision: 920852 $ $Date: 2010-03-09 13:53:44 +0100 (mar. 09 mars 2010) $

Method Summary

Modifier and Type	Method and Description
double	density(Double x) Return the probability density for a particular point.
double	getMean() Access the mean.
void	setMean(double mean) Deprecated. as of v2.1

Methods inherited from interface org.apache.commons.math.distribution.ContinuousDistribution

inverseCumulativeProbability

Methods inherited from interface org.apache.commons.math.distribution.Distribution

cumulativeProbability, cumulativeProbability

Method Detail

setMean

@Deprecated
void setMean(double mean)

Deprecated. as of v2.1

Modify the mean.

Parameters:

mean - the new mean.

getMean

double getMean()

Access the mean.

Returns:

the mean.

density

double density(Double x)

Return the probability density for a particular point.

Specified by:

density in interface HasDensity<Double>

Parameters:

x - The point at which the density should be computed.

Returns:

The pdf at point x.