asa147


asa147, a FORTRAN77 code which evaluates the incomplete Gamma function, by Chi Leung Lau.

This is a version of Applied Statistics Algorithm 147.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Languages:

asa147 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:

asa147_test

asa032, a FORTRAN77 library which evaluates the incomplete Gamma function.

asa239, a FORTRAN77 library which evaluates the incomplete Gamma function.

PROB, a FORTRAN77 library which evaluates and inverts a number of probabilistic distributions.

TEST_VALUES, a FORTRAN77 library which contains sample values for a number of distributions.

TOMS435, a FORTRAN77 library which evaluates the modified incomplete Gamma function.

TOMS708, a FORTRAN77 library which includes routines to evaluate the incomplete Gamma function.

Author:

Original FORTRAN77 version by Chi Leung Lau; This version by John Burkardt.

Reference:

  1. Chi Leung Lau,
    Algorithm AS 147: A Simple Series for the Incomplete Gamma Integral,
    Applied Statistics,
    Volume 29, Number 1, 1980, pages 113-114.

Source Code:


Last revised on 25 August 2023.