util.math.distributions

Class ExponentialDistribution

java.lang.Object

util.math.distributions.MathDistribution

util.math.distributions.ExponentialDistribution

public class ExponentialDistribution
extends MathDistribution

The exponential distribution.

Author:

S.A.M. Janssen

Field Summary

Fields

Modifier and Type	Field and Description
private double	lambda The lambda.

Fields inherited from class util.math.distributions.MathDistribution

random

Constructor Summary

Constructors

Constructor and Description
ExponentialDistribution(double lambda) Creates an exponential distribution with a specified lambda.
ExponentialDistribution(double lambda, RandomPlus random) Creates an exponential distribution with a specified lambda.

Method Summary

Modifier and Type	Method and Description
double	getValue() Draws a number from the random distribution.

Methods inherited from class java.lang.Object

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

Field Detail

lambda

private double lambda

The lambda.

Constructor Detail

ExponentialDistribution

public ExponentialDistribution(double lambda)

Creates an exponential distribution with a specified lambda.

Parameters:

lambda - The lambda parameter.

ExponentialDistribution

public ExponentialDistribution(double lambda,
                               RandomPlus random)

Creates an exponential distribution with a specified lambda.

Parameters:

lambda - The lambda parameter.

random - The random generator.

Method Detail

getValue

public double getValue()

Description copied from class: MathDistribution

Draws a number from the random distribution.

Specified by:

getValue in class MathDistribution

Returns:

The random number.