Subject: CCL:Help in Mathematical methods.

From: Wilfred Tang <[email-masked]>
Date: Fri, 28 Nov 1997 15:47:03 -0600 (CST)

> On Wed, 26 Nov 1997, Norge Cruz Hernandez wrote:
> > I am trying to solve the minimization of a function whith non linear 
> > constrained.
> 
> First, let me highly recommend that you look at the code available at NETLIB; 
> it has the following attributes: 
> 
> o It is mature, well tested, stable code; the linear algebra library (BLAS)
>   is the basis for most vendor implementations, and the LINPACK suite used
>   to benchmark floating point performance is also here
> 
> o It is public domain code, with no restrictions on re-use
> 
> o It is highly efficient, well optimized code; for inversion of large
>   matrices, I observed a ca. 50-fold speedup in switching from N.R.
>   routines to those in NETLIB
> 
> o The web site is fairly well organized, and allows you to download just the
>   source files you need 
> 
> 	http://www.netlib.org

Another good place to look is
NIST Guide to Available Mathematical Software
http://gams.nist.gov/
It has software organized by both problem type and package name.

Wilfred Tang