From octave-sources-request at bevo dot che dot wisc dot edu Tue Nov 27 04:52:05 2001
Subject: Re: Levenberg-Marquardt algorithm
From: Matthias Jueschke <matthias at physik3 dot gwdg dot de>
To: Paul Kienzle <pkienzle at users dot sourceforge dot net>
cc: Francesco Potorti` <pot at gnu dot org>, <octave-sources@bevo.che.wisc.edu>
Date: Tue, 27 Nov 2001 11:51:53 +0100 (MET)

I tested both functions with some of the data sets Paul mentioned. My
version was much slower and even one time the fit was not as good as from
leasqr.m. Just the message each time is disconcerting:
warning: inverse: matrix singular to machine precision, rcond = 0