simulation

Class ExpDistribution

java.lang.Object

simulation.ExpDistribution

public class ExpDistribution
extends java.lang.Object

Class of Exponential distributions

Author:

Chung-Chih Li

Constructor Summary

Constructors

Constructor and Description
ExpDistribution(double theta)

Method Summary

Modifier and Type	Method and Description
double	next() Time to next random event
double	no(double x)
double	pdf(double x) This is the density function

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpDistribution

public ExpDistribution(double theta)

Parameters:

theta - is the mean of this distribution

Method Detail

pdf

public double pdf(double x)

This is the density function

Parameters:

x - is the event

Returns:

density at event x

no

public double no(double x)

Parameters:

x - is the event

Returns:

the probability that there is no event before time x

next

public double next()

Time to next random event

Returns:

a random waiting time