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Re: [Help-glpk] [Fwd: mip behavior]
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From: |
Andrew Makhorin |
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Subject: |
Re: [Help-glpk] [Fwd: mip behavior] |
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Date: |
Sun, 17 Apr 2011 19:06:41 +0400 |
> A problem with mip gap is that it is fractional.
> What does he use if the minimum objective might be -1 or +600?
Assuming that Veit knows the optimum or may estimate it. In this case
using mipgap just allows to stop a meaningless search once the optimum
has been found yet.
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> Using a callback would seem a better option.
>
Yes, but this would require programming in C.