asa063

asa063, a C code which evaluates the incomplete Beta function, by KL Majumder and G Bhattacharjee.

This is a version of Applied Statistics Algorithm 63.

Licensing:

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

Languages:

asa063 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:

asa063_test

asa109, a C code which inverts the incomplete Beta function.

asa226, a C code which evaluates the CDF of the noncentral Beta distribution.

beta_nc, a C code which evaluates the CDF of the noncentral Beta distribution.

test_values, a C code which stores a few values of various mathematical functions.

toms179, a C code which evaluates the incomplete Beta function.

Author:

Original Fortran77 version by KL Majumder, GP Bhattacharjee; This version by John Burkardt.

Reference:

1. KL Majumder, GP Bhattacharjee,
   Algorithm AS 63: The incomplete Beta Integral,
   Applied Statistics,
   Volume 22, Number 3, 1973, pages 409-411.

Source Code:

• asa063.h, the include file.
• asa063.sh, compiles the source code.

• beta_inc_values.c, returns some values of the incomplete Beta function.
• betain.c, computes the incomplete Beta function ratio.