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[Help-glpk] [Fwd: Question about GLPK]

From: Andrew Makhorin
Subject: [Help-glpk] [Fwd: Question about GLPK]
Date: Thu, 15 May 2014 22:48:34 +0400

-------- Forwarded Message --------
From: Pierre Jean GALIAZZO <address@hidden>
To: address@hidden <address@hidden>
Subject: Question about GLPK
Date: Thu, 15 May 2014 11:59:05 +0200



I’m a dataminer consultant and I’m testing GLPK for one of our client.


I would know if it’s possible to use a combination of a “sum” and a

For example, the kind of constraint that want to use is :


And I want to programming like that but it doesn’t work because we can’t
use a sum in the min function:

s.t. limit:  sum{c in C}  min (1 , sum{i in I,j in J, a in A}
 x[c,j,i,a])  >= 25;


Is there a solution?


Thank you,


Pierre-Jean Galiazzo 

A.I.D. | Chargé d'Etudes Statistiques

4 rue Henri Le Sidaner - 78 000 Versailles

Tél : +33 (0) 


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