[SCIP] set cutoffbound
Ambros Gleixner
gleixner at zib.de
Tue Jan 11 14:46:14 CET 2022
Dear Markó,
Does SCIPupdateCutoffbound() work for you?
Best,
Ambros
Am 11.01.22 um 13:29 schrieb Horváth Markó:
> Dear all,
>
> I'm working on a branch-and-price algorithm, and I want to apply a
> primal heuristic each time a feasible (integer) solution. Basically, I
> build a /schedule/ based on this solution, and I apply a local-search
> based approach to improve this schedule, and thus to get a better
> feasible solution. My problem is that I cannot create a SCIP solution
> since it may require columns/variables which are not generated for the
> problem yet. Actually, I do not need to create such a solution, it would
> be enough if I could set a cutoff bound for the problem (that is, to set
> a global upper bound for the objective, and thus nodes with higher
> lowerbound could be pruned. (Note that I did not implement primal
> heuristic callback due to the reasons mentioned above, but I apply this
> procedure in an event handler).
>
> I could not find such a parameter in the list of all parameters, and I
> could not find solution for this problem in the list server archives.
> Can you help me?
>
> Best regards,
> Marko
>
>
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