lisp or maxima svd?



steve@horne.homelinux.net writes:

> There's a little algorithm I've used for years to fit data to a ratio of polynomials.
> Recently I wanted to fit a function developed in a maxima session and threw together
> a very crude implementation.  The key step is an overdetermined least squares solve.
> In earlier implementations I used a singular value decomposition, but we don't
> seem to have SVD in maxima.  A quick web search on various combinations of {lisp, svd,...} didn't
> turn up anything directly useful.
> 
> Since SVD is so useful I suspect there's a native lisp implementation somewhere
> we could snarf into maxima; anyone have any pointers?
> 
> 					Thanks,
> 						Steve

Not really native, but a nice Lisp interface (Matlisp) to LAPACK (Fortran)
is available.  [Dreaming] If Matlisp could be integrated with Maxima, we
would have something like a combination of Maple and Matlab...

Unfortunately, Matlisp is only for ACL and CMUCL at the moment.

Nicolas.