[plt-scheme] Matrix Determinants

Alex Shinn: 

> 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.

Yes. If I am not mistaken, the module containing det is gauche.matrix, not
gauche.array. Anyway, all that stuff of Shiro Kawai is here: 

http://practical-scheme.net/gauche/index.html 

(Of course, Alex Shinn knows it well...) 

Jerzy Karczmarczuk