CumGammaInv


new to Analytica 5.0

CumGammaInv(p, a, b)

The Inverse Cumulative Distribution Function for the Gamma(a, b) distribution. Returns a value «x» such that CumGamma(x, a, b) = x.

This function is the same as the inverse incomplete gamma function, GammaIInv(p, a, b). In is provided as a synonym for consistency with the naming of analytic cumulative distribution functions.

Library

Distribution Densities Library

You must add this library to your model in order to be able to use CumGammaInv. You can use GammaIInv without adding the library.

History

The incomplete gamma function inverse, GammaIInv, has been available since Analytica 2.0. This synonymous function was added to the Distribution Densities Library with release Analytica 5.0 so that there would be a consistent naming convention with the other analytic distribution functions for other distributions. To be compatible with pre-5.0 releases, use GammaIInv.

See Also

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