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From: | Andrew Makhorin |
Subject: | Re: [Help-glpk] (no subject) |
Date: | Wed, 19 Jun 2013 02:35:17 +0400 |
> I am trying to put a condition in an index of a summation: > > minimize z: sum{i in I: i < 2, j in J[i], k in K[i,j], t in T} x[i,j,k,t]; Your syntax is incorrect. Should write: minimize z: sum{i in I, j in J[i], k in K[i,j], t in T: i < 2} x[i,j,k,t];
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