MathSpecialFunctionsGamma

2021年10月8日

Library "MathSpecialFunctionsGamma"
Gamma Functions.

GammaQ(index) Enumeration of the polynomial coefficients for the "GammaLn" approximation.
Parameters:

• index: int, 0 => index => 10, index of coeficient.

Returns: float

GammaLn(z) Computes the logarithm of the Gamma function.
Parameters:

• z: The argument of the gamma function.

Returns: The logarithm of the gamma function.

Gamma(z) Computes the Gamma function.
Parameters:

• z: The argument of the gamma function.

Returns: float, The logarithm of the gamma function.

GammaLowerRegularized(a, x)
Parameters:

• a: float, The argument for the gamma function.
  
• x: float, The upper integral limit.

Returns: float, The lower incomplete gamma function.

GammaUpperRegularized(a, x) Returns the upper incomplete regularized gamma function
Parameters:

• a: float, The argument for the gamma function.
  
• x: float, The lower integral limit.

Returns: float, The upper incomplete regularized gamma function.

GammaUpperIncomplete(a, x) Returns the upper incomplete gamma function.
Parameters:

• a: float, The argument for the gamma function.
  
• x: float, The lower integral limit.

Returns: float, The upper incomplete gamma function.

GammaLowerIncomplete(a, x)
Parameters:

• a: float, The argument for the gamma function.
  
• x: float, The upper integral limit.

Returns: float, The lower incomplete gamma function.