public class DBeta extends AbstractBivariateRealFunction
Beta
function w.r.t x, \({\partial \over \partial x} \mathrm{B}(x, y)\).
\[
{\partial \over \partial x} \mathrm{B}(x, y) = \mathrm{B}(x, y) (\psi(x) - \psi(x + y))
\]
where \(x > 0, y > 0\), \(\psi\) is the Digamma
function.Beta
Function.EvaluationException
Constructor and Description |
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DBeta() |
Modifier and Type | Method and Description |
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double |
evaluate(double x,
double y)
Evaluate \({\partial \over \partial x} \mathrm{B}(x, y)\).
|
evaluate
dimensionOfDomain, dimensionOfRange
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
dimensionOfDomain, dimensionOfRange
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