[Scip] Integer solution found in pricing stage
Gregor Hendel
hendel at zib.de
Sat Nov 15 12:38:49 CET 2014
Dear Mehmet,
in its default settings, SCIP applies the simple rounding heuristic
during the pricing loop, i.e., after each pricing LP, to round the
current LP solution. It will store it immediately if all integer
variables have integer values. Solutions found by simple rounding are
indicated by an initial lower case 's' in a display line during solving.
Kind regards,
Gregor
On 14.11.2014 16:42, Mehmet Pancaroğlu wrote:
> Hello everyone,
>
> I am implementing a branch-and-price algorithm. I wanted to ask
> whether SCIP can update upper bound when the current solution to LP is
> an integer one and it is promising. I mean current solution found in
> the middle of pricing stage, not in the end of it. If this is not the
> case, how can I update the upper bound?
>
> Thank you in advance
>
> Mehmet
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