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Re: [Help-glpk] Conditions for glpsol
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] Conditions for glpsol |
Date: |
Thu, 24 May 2012 21:49:23 +0400 |
> Could somebody tell me how to express the following condition in a
> linear constraint ?
>
> if A = 1 and B = 1 then C = 1
> if A = 1 and B = 0 then C = 0
> if A = 0 and B = 1 then C = 0
> if A = 0 and B = 0 then C = 0
>
> Ps: just for precision it is not a logical AND the difference is that
> in my case i should to have the value zero for C if A or B or both are
> equal to 0.
According to the conditions you wrote it is just the logical AND:
C = A AND B.
See http://lists.gnu.org/archive/html/help-glpk/2012-05/msg00013.html .