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StableDistributionBaseGammaFromAlphaBetaTanPiA2 Method

Converts the skewness parameter from beta-form to Feller's gamma-form using a precomputed tangent term.

Namespace: Altaxo.Calc.Probability
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3572.0 (4.8.3572.0)
Syntax
C#
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protected static double GammaFromAlphaBetaTanPiA2(
	double alpha,
	double beta,
	double abe,
	double tan_pi_alpha_2,
	out double aga
)

Parameters

alpha  Double
The characteristic exponent.
beta  Double
The skewness parameter in beta-form.
abe  Double
The alternative beta helper value.
tan_pi_alpha_2  Double
The tangent of alpha * Pi / 2.
aga  Double
On return, the alternative gamma helper value.

Return Value

Double
The gamma parameter in Feller's parametrization.
See Also