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[Help-glpk] Re: IOS, Re: integer objective
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From: |
Andrew Makhorin |
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Subject: |
[Help-glpk] Re: IOS, Re: integer objective |
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Date: |
Mon, 24 Nov 2003 23:53:29 +0300 |
>Perhaps a third category of variable would be useful: implied integer.
>The solver wouldn't branch on it, but its integrality could allow it
>to be fixed on the basis of reduced cost.
>It could also be used to determine whether the objective was integral.
There is no doubt.
>Is there documentation on IOS?
Unfortunately, the documentation is not written yet. In glpk 4.2 there
is only an example, examples/tspsol.c, which is a symmetric tsp solver
based on IOS.