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java.lang.Objectumontreal.iro.lecuyer.randvar.RandomVariateGen
umontreal.iro.lecuyer.randvar.ExponentialGen
public class ExponentialGen
This class implements random variate generators for the exponential distribution. The density is
No local copy of the parameter λ is maintained in this class. The (non-static) nextDouble method simply calls inverseF on the distribution.
Constructor Summary | |
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ExponentialGen(RandomStream s,
ExponentialDist dist)
Creates a new generator for the exponential distribution dist and stream s. |
Method Summary | |
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double |
nextDouble()
Generates a random number from the continuous distribution contained in this object. |
static double |
nextDouble(RandomStream s,
double lambda)
Uses inversion to generate a new exponential variate with parameter λ = lambda, using stream s. |
Methods inherited from class umontreal.iro.lecuyer.randvar.RandomVariateGen |
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getDistribution, getStream, nextArrayOfDouble, setStream |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ExponentialGen(RandomStream s, ExponentialDist dist)
Method Detail |
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public double nextDouble()
RandomVariateGen
inverseF
method of the distribution object.
Alternative generating methods are provided in subclasses.
nextDouble
in class RandomVariateGen
public static double nextDouble(RandomStream s, double lambda)
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