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[Help-glpk] GNU MathProg Question

From: Suleyman Demirel
Subject: [Help-glpk] GNU MathProg Question
Date: Fri, 15 Oct 2010 11:50:59 -0400

Hi All,

I am new to MathProg, and a former user of Ampl. I have been trying to create an auxiliary variable that has nothing to do the model, but to use for reporting output. For example, I am roughly trying to do the following:

define variable named counter

for (i in Relevant Set)
   if (i > 100) counter = counter+1

This way, I want to report how many of the variables exceed 100.

In Ampl, I was able to define a variable as usual ( var counter, integer;) and update its value via let command (let counter:=counter+1).

I will appreciate if you could help me on this.


Suleyman Demirel - Office: (734) 647-3167

PhD Candidate in Operations Management
Stephen M. Ross School of Business
University of Michigan, Ann Arbor

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