gridsim.util
Class Weibull

Object
  Variate
      Weibull

public class Weibull
extends Variate

A random number generator based on the Weibull distribution.
NOTE: This class is taken from JSim.
Moreover, the Sim_poisson_obj.sample() method always return NaN value.

Since:

GridSim Toolkit 4.1

Constructor Summary

Weibull(double scale, double shape, int i)
Constructs a Weibull random variate.

Method Summary

double	gen() Generates a random number from Weibull distribution.
Double[]	getParameters() Get the parameters of the constuctor

Methods inherited from class Variate

incStream

Methods inherited from class Object

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

Constructor Detail

Weibull

public Weibull(double scale,
               double shape,
               int i)

Constructs a Weibull random variate.

Parameters:

scale - scale parameter

shape - shape parameter

i - random number stream

Method Detail

getParameters

public Double[] getParameters()

Get the parameters of the constuctor

Overrides:

getParameters in class Variate

gen

public double gen()

Generates a random number from Weibull distribution.

Overrides:

gen in class Variate

Returns:

double random number from Weibull distribution