jhplot.math

Class Poisson

java.lang.Object

jhplot.math.Poisson

public class Poisson
extends java.lang.Object

Build a Poisson distribution

Constructor Summary

Constructors

Constructor and Description
Poisson(double lambda) Build a Poisson random numbers with a given lambda
Poisson(long seed, double lambda) Build a Posson random numbers
Poisson(java.util.Random rand, double lambda) Build a Posson generator

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args)
int	next() Get next Poisson random number with the lambda given in constructor
int	next(double lambda) Get next Poisson random number with a new lambda (overwrides the default)

Methods inherited from class java.lang.Object

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

Constructor Detail

Poisson

public Poisson(java.util.Random rand,
               double lambda)

Build a Posson generator

Parameters:

rand - input Random generator

lambda - lambda

Poisson

public Poisson(double lambda)

Build a Poisson random numbers with a given lambda

Parameters:

lambda - Lambda

Poisson

public Poisson(long seed,
               double lambda)

Build a Posson random numbers

Parameters:

seed - seed to reseed the generator

lambda - lambda

Method Detail

next

public int next()

Get next Poisson random number with the lambda given in constructor

Returns:

next

public int next(double lambda)

Get next Poisson random number with a new lambda (overwrides the default)

Parameters:

lambda - new lambda

Returns:

main

public static final void main(java.lang.String[] args)