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Re: [Help-glpk] Problem in GLPK

From: glpk xypron
Subject: Re: [Help-glpk] Problem in GLPK
Date: Thu, 29 Apr 2010 08:16:37 +0200

Hello Aly,

>   glp_malloc: no memory available
>   Error detected in file    \src\glpenv05.c at line 70
> The constraint that caused that error is:
>  s.t. Delivery_from_Same_Project{j in J, k in K, p in P, t in T: j!=k}:
> xx[j,k,p,t] ==0; 

columns that are always zero should not be defined.

Instead you should exploit the natural sparsity of your
problem to reduce the memory usage.

Best regards


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