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| From: | Andrew Makhorin |
| Subject: | Re: [Help-glpk] Try to recover from simplex errors during integer optimisation |
| Date: | Sun, 21 Feb 2016 11:18:24 +0300 |
> The attached patch implements a simple recovery procedure for simplex > errors during integer optimisation. This is done by constructing a new > basis and and trying to solve the LP relaxation once more. When this > happens something like the following is shown: > Error: unable to factorize the basis matrix (1) > Constructing initial basis... > which may not be optimal but I think is acceptable. > Fixed. Please see: http://lists.gnu.org/archive/html/bug-glpk/2016-02/msg00000.html http://lists.gnu.org/archive/html/bug-glpk/2016-02/msg00001.html Andrew Makhorin
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