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Re: [Help-glpk] restarting GLPK with dual simplex
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From: |
Andrew Makhorin |
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Subject: |
Re: [Help-glpk] restarting GLPK with dual simplex |
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Date: |
Sun, 2 Apr 2006 21:14:05 +0400 |
> Is there any interaction between presolve and restarting with the dual?
> I set the presolve "on" before the first call to the simplex method.
The presolver must be disabled before re-optimization. If it is
enabled, the current basis is ignored that makes re-optimizaton
impossible.