asa239

asa239, an Octave code which evaluates the incomplete Gamma function, by Shea.

This is a version of Applied Statistics Algorithm 239.

Licensing:

The computer code and data files described and made available on this web page are 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

asa032, an Octave code which evaluates the incomplete Gamma function.

asa147, an Octave code which evaluates the incomplete Gamma function.

prob, an Octave code which evaluates and inverts a number of probabilistic distributions.

test_values, an Octave code which contains sample values for a number of distributions.

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 26 November 2018.