Package org.ojalgo.random
Class Gamma
java.lang.Object
org.ojalgo.random.RandomNumber
org.ojalgo.random.Gamma
- All Implemented Interfaces:
Comparable<RandomNumber>
,DoubleSupplier
,Supplier<Double>
,BasicFunction
,NullaryFunction<Double>
,PrimitiveFunction.Nullary
,Distribution
,AccessScalar<Double>
,ComparableNumber<RandomNumber>
,NumberDefinition
Distribution of the sum of aCount random variables with an exponential distribution with parameter aLambda.
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Nested Class Summary
Nested classes/interfaces inherited from interface org.ojalgo.function.BasicFunction
BasicFunction.Differentiable<N extends Comparable<N>,
F extends BasicFunction>, BasicFunction.Integratable<N extends Comparable<N>, F extends BasicFunction>, BasicFunction.PlainUnary<T, R> -
Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected double
generate()
A Convenient Way of Generating Gamma Random Variables Using Generalized Exponential Distributiondouble
double
Subclasses must override either getStandardDeviation() or getVariance()!Methods inherited from class org.ojalgo.random.RandomNumber
checkProbabilty, compareTo, doubleValue, floatValue, getStandardDeviation, intValue, invoke, longValue, newSampleSet, random, setRandom, setSeed, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.ojalgo.function.NullaryFunction
andThen, get, getAsDouble
Methods inherited from interface org.ojalgo.type.NumberDefinition
booleanValue, byteValue, shortValue
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Field Details
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myShape
private final double myShape -
myRate
private final double myRate
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Constructor Details
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Gamma
public Gamma() -
Gamma
public Gamma(double aShape, double aRate)
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Method Details
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getExpected
public double getExpected() -
getVariance
public double getVariance()Description copied from class:RandomNumber
Subclasses must override either getStandardDeviation() or getVariance()!- Specified by:
getVariance
in interfaceDistribution
- Overrides:
getVariance
in classRandomNumber
- See Also:
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generate
protected double generate()A Convenient Way of Generating Gamma Random Variables Using Generalized Exponential Distribution- Specified by:
generate
in classRandomNumber
- See Also:
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