org.ojalgo.random
Class Gamma

java.lang.Object
  java.lang.Number
      org.ojalgo.random.RandomNumber
          org.ojalgo.random.Gamma

All Implemented Interfaces:

Serializable, Function<Double>, NullaryFunction<Double>, Distribution

public class Gamma
extends RandomNumber

Distribution of the sum of aCount random variables with an exponential distribution with parameter aLambda.

Author:

apete

See Also:

Serialized Form

Constructor Summary

Gamma()

Gamma(int aCount, double aLambda)

Method Summary

double	getExpected()
double	getVariance() Subclasses must override either getStandardDeviation() or getVariance()!

Methods inherited from class org.ojalgo.random.RandomNumber

doubleValue, floatValue, getStandardDeviation, intValue, invoke, longValue, toString

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Constructor Detail

Gamma

public Gamma()

Gamma

public Gamma(int aCount,
             double aLambda)

Method Detail

getExpected

public double getExpected()

getVariance

public double getVariance()

Description copied from class: RandomNumber

Subclasses must override either getStandardDeviation() or getVariance()!

Specified by:

getVariance in interface Distribution

Overrides:

getVariance in class RandomNumber

See Also:

Distribution.getStandardDeviation(), Distribution.getVariance()