asa239


asa239, a Fortran90 code which evaluates the incomplete Gamma function, by Shea.

The code is a version of is Applied Statistics Algorithm 239.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

asa239 is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

asa239_test

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Author:

Original Fortran77 version by B Shea; This version by John Burkardt.

Reference:

  1. B Shea,
    Algorithm AS 239: Chi-squared and Incomplete Gamma Integral,
    Applied Statistics,
    Volume 37, Number 3, 1988, pages 466-473.

Source Code:


Last revised on 21 May 2020.