[plt-scheme] Matrix Determinants

From: Alex Shinn (alexshinn at gmail.com)
Date: Fri Mar 28 07:04:49 EDT 2008

    Jerzy> If I am not mistaken, the SLIB matrix package
    Jerzy> uses the Laplace expansion for the
    Jerzy> determinant. So, ~ n!. (At least, the version I
    Jerzy> saw used that, looping over the first line and
    Jerzy> recurring through cofactor & determinant.

There's a Scheme implementation of determinant in the
gauche.array library which uses Gaussian elimination and if
I recall is much faster than SLIB's.


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