From: "Hans D. Mittelmann" <mittelmann@asu.edu>
Subject: Re: Two-dimensional Secant method ?
Date: Tue, 14 Sep 1999 12:47:17 -0700
Newsgroups: sci.math.num-analysis
Keywords: quasi-Newton methods for finding zeros

Oleg Rokach wrote:

> Hi All !
>
> I am looking for a algorithm's description ( on-line ) or a Fortran code for
> the 2D (or multidimensional ) implementation of the Secant root finding
> method.
>
> I will be very appreciate for any help or reference.
>
> Thanks in advance,
>
> Oleg Rokacz.

Hi,
multidimensional secant methods are called quasi-Newton methods. Check any
NLP book,
such as Luenberger's if you want a book at online you can go to the NEOS guide:

http://www-fp.mcs.anl.gov/otc/Guide/OptWeb/continuous/unconstrained/quasi.html


--
Hans D. Mittelmann                      http://plato.la.asu.edu/
Arizona State University                Phone: (480) 965-6595
Department of Mathematics               Fax:   (480) 965-0461
Tempe, AZ 85287-1804                    email: mittelmann@asu.edu