public class GammaRegularizedPInverse extends AbstractBivariateRealFunction
s > 1
, we use the asymptotic inversion method.s <= 1
, we use an approximation of P(s,x) together with a higher-order Newton like method.HalleyRoot
.
The R equivalent function is qgamma
. E.g., qgamma(u, s, lower=TRUE)
.Function.EvaluationException
Constructor and Description |
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GammaRegularizedPInverse() |
Modifier and Type | Method and Description |
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double |
evaluate(double s,
double u)
Evaluate x = P-1(s,u).
|
evaluate
dimensionOfDomain, dimensionOfRange
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
dimensionOfDomain, dimensionOfRange
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