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Re: [Help-glpk] gmpl+ILOG Cplex

From: Jose Monreal
Subject: Re: [Help-glpk] gmpl+ILOG Cplex
Date: Fri, 25 Sep 2009 13:58:41 -0400

Do you know how to program in C? Its quite easy if you take the examples from the API.
You need an array 3-d, and assign the values.
If you need more info or help, i can send you later a C program that makes it

On Fri, Sep 25, 2009 at 1:44 PM, G Chandramouli <address@hidden> wrote:
Hi Jose,
            Can you please tell me how to input a random matrix of 400 * 400 in GMPL or can I write it from some excel file ?

On Fri, Sep 25, 2009 at 11:09 PM, Jose Monreal <address@hidden> wrote:
GLPK reads and writes models in cplex format, in the source package is the documentation.

2009/9/25 G Chandramouli <address@hidden>
Hello all,
                I am doing my project on  facility location problem. It involves almost 200000 constraints and 400 binary variables. We have ILOG Cplex installed on our server. AMPL is not installed with it. I need a proper modelling language for using ILOG Cplex. Can I link gmpl to ILOG Cplex?
 Cplex can read .mps and .lp format files. So in case gmpl is not linked , can I translate the file to .mps or .lp format compitiable to ILOG Cplex? In case gmpl fails in both above cases, can you suggest me an option?
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José I. Monreal Bailey
Sent from Vitacura, RM, Chile

José I. Monreal Bailey
Sent from Vitacura, RM, Chile
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