asa082, a MATLAB code which computes the determinant of an orthogonal matrix; this is Applied Statistics Algorithm 82, by J C Gower.


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


asa082 is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version and a Python version.

Related Data and codes:



Original FORTRAN77 version by J C Gower; This MATLAB version by John Burkardt.


  1. J C Gower,
    Algorithm AS 82: The determinant of an orthogonal matrix,
    Applied Statistics,
    Volume 24, Number 1, 1975, page 150-153.

Source Code:

Last revised on 31 January 2020.