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java.lang.Objectumontreal.iro.lecuyer.randvar.RandomVariateGen
umontreal.iro.lecuyer.randvar.LognormalGen
public class LognormalGen
This class implements methods for generating random variates from the lognormal distribution. Its density is
The (non-static) nextDouble method simply calls inverseF on the lognormal distribution object. One can also generate a lognormal random variate X via
| Constructor Summary | |
|---|---|
LognormalGen(RandomStream s)
Creates a lognormal random variate generator with parameters μ = 0 and σ = 1, using stream s. |
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LognormalGen(RandomStream s,
double mu,
double sigma)
Creates a lognormal random variate generator with parameters μ = mu and σ = sigma, using stream s. |
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LognormalGen(RandomStream s,
LognormalDist dist)
Create a random variate generator for the lognormal distribution dist and stream s. |
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| Method Summary | |
|---|---|
double |
getMu()
Returns the parameter μ of this object. |
double |
getSigma()
Returns the parameter σ of this object. |
static double |
nextDouble(RandomStream s,
double mu,
double sigma)
Generates a new variate from the lognormal distribution with parameters μ = mu and σ = sigma, using stream s. |
| Methods inherited from class umontreal.iro.lecuyer.randvar.RandomVariateGen |
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getDistribution, getStream, nextArrayOfDouble, nextDouble, setStream, toString |
| Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public LognormalGen(RandomStream s,
double mu,
double sigma)
public LognormalGen(RandomStream s)
public LognormalGen(RandomStream s,
LognormalDist dist)
| Method Detail |
|---|
public static double nextDouble(RandomStream s,
double mu,
double sigma)
public double getMu()
public double getSigma()
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SSJ V. labo. |
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