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Re: [Help-glpk] dual values
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] dual values |
Date: |
Thu, 06 Oct 2011 12:53:43 +0400 |
> I'm not interested in dual value of x_16 but in others (x_1 to x_15)
>
> I got
>
> 6.0 1.0 1.0 5.0 2.0 7.0 7.0 6.0 3.0 3.0 7.0 8.0 -22.0 2.0
> 5.0
>
> sholdn't it be
>
> 6.0 1.0 1.0 5.0 2.0 7.0 0.0 6.0 3.0 3.0 0.0 0.0 0.0 2.0
> 5.0
>
> ?
Your instance is dual degenerate thus it has multiple dual feasible
solutions, that is, there exist different sets of active constraints
that satisfy the optimality conditions.