Class LogBeta
- java.lang.Object
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- dev.nm.analysis.function.rn2r1.AbstractRealScalarFunction
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- dev.nm.analysis.function.rn2r1.AbstractBivariateRealFunction
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- dev.nm.analysis.function.special.beta.LogBeta
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- All Implemented Interfaces:
Function<Vector,Double>
,BivariateRealFunction
,RealScalarFunction
public class LogBeta extends AbstractBivariateRealFunction
This class represents the log of Beta functionlog(B(x, y))
.Γ(x)Γ(y) log(B(x, y)) = log ( ----------- ) = logΓ(x) + logΓ(y) - logΓ(x + y) Γ(x+y)
x > 0, y > 0
The R equivalent function is
lbeta
.- See Also:
- Wikipedia: Beta function
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Nested Class Summary
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Nested classes/interfaces inherited from interface dev.nm.analysis.function.Function
Function.EvaluationException
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Constructor Summary
Constructors Constructor Description LogBeta()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
evaluate(double x, double y)
Computelog(B(x,y))
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Methods inherited from class dev.nm.analysis.function.rn2r1.AbstractBivariateRealFunction
evaluate
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Methods inherited from class dev.nm.analysis.function.rn2r1.AbstractRealScalarFunction
dimensionOfDomain, dimensionOfRange
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface dev.nm.analysis.function.Function
dimensionOfDomain, dimensionOfRange
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