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Re: [Help-glpk] variable with the same lower ans upper bounds
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From: |
Andrew Makhorin |
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Subject: |
Re: [Help-glpk] variable with the same lower ans upper bounds |
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Date: |
Mon, 05 Sep 2011 23:07:21 +0400 |
> In my problem I have some variables which has the same lover and upper
> bounds and I got an error
>
> column 1: lb = 0, ub = 0; incorrect bounds
> The problem could not be solved
> How can I solve this problem ?
>
If the lower bound of a column (variable) is equal to its upper bound,
use GLP_FX rather than GLP_DB in a call to glp_set_col_bnds.