Re: [OctDev] new material in main/optim

[Etienne G. <et...@cs...>]

  Hi Michael,

if the new BFGSMin does a better job, maybe it can replace the old one
altogether. It would be nice to have the same calling arguments, which
seems to be the case at a first glance.

  Cheers,

  Etienne

PS : Maybe there's a prob w/ my tabs, but some lines appear w/ over
     100 columns in emacs.

On Mon, Jan 26, 2004 at 11:55:14AM +0100, Michael Creel wrote:
# Hello all,
# I have added some files for optimization into main/optim, in the subdirectory 
# "Optimize". I created a new subdirectory, since the files have some 
# interdependencies between themselves, and the set of necessary files wouldn't 
# be clear if they were put directly into optim.
# 
# The BFGSMin.m routine, the file of central interest, is much like bfgs.m in 
# optim, but, in my experiece, it is more efficient and robust, since the line 
# search for the stepsize has been re-worked quite a bit. It has been tested 
# quite extensively. It also has a somewhat different interface that makes use 
# of cell arrays. Thus, it doesn't require "leval" and will not generate 
# warnings with Octave > 2.1.50. The Optimize package has no dependencies on 
# octave-forge - it will work with plain Octave 2.1.x.
# 
# Any comments appreciated. Please leave the flamethrowers on low if I've make 
# any errors with CVS - it's the first time I attempt a commit. Michael
# 
# 
# 
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-- 
Etienne Grossmann ------ http://www.cs.uky.edu/~etienne