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glpk 4.4 release information


From: Andrew Makhorin
Subject: glpk 4.4 release information
Date: Sat, 17 Jan 2004 16:11:46 +0300

GLPK 4.4 -- Release Information
===============================

Release date: Jan 17, 2004

GLPK (GNU Linear Programming Kit) is intended for solving large-scale
linear programming (LP), mixed integer linear programming (MIP), and
other related problems. It is a set of routines written in ANSI C and
organized in the form of a callable library.

In GLPK 4.4:

All API routines were re-implemented using new data structures. The new
implementation provides the same specifications and functionality of API
routines as the old one, however, it has some important advantages, in
particular:

* linked lists are used everywhere that allows creating and modifying
  the problem object more efficiently

* all data stored in the problem object are non-scaled (even if the
  internal scaling is used) that prevents distortion of the original
  problem data

* solution components obtained by solvers remain available even if the
  problem object has been modified

* no solver-specific data are used in the new API data structures that
  allows using GLPK API as an uniform interface to any external lp/mip
  solver

GLPKMEX, a Matlab MEX interface to GLPK package, contributed by Nicolo
Giorgetti <address@hidden> was included in the distribution.

GLPK FAQ contributed by Harley Mackenzie <address@hidden> was included
in the distribution.

See GLPK web page at <http://www.gnu.org/software/glpk/glpk.html>.

GLPK distribution can be ftp'ed from <ftp://ftp.gnu.org/gnu/glpk/> or
from some mirror ftp sites; see <http://www.gnu.org/order/ftp.html>.

MD5 check-sum is the following:

8ccbba6bd19251a0d0f410e37a8b6475 *glpk-4.4.tar.gz

GLPK is also available as a Debian GNU/Linux package. See its web page
at <http://packages.debian.org/stable/math/glpk.html>.






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