[SCIP] How to delete variable locally (Delete different set of variables of the master problem at the different nodes)

[Ambros Gleixner]

Dear Jungeun,

Apologees for the very slow response this time.  Unfortunately, it is 
not possible to delete variables locally.

Best regards,
Ambros


Am 15.06.20 um 09:58 schrieb Shin, Jungeun:
> Hi,
> 
> I am using a branching rule that makes some columns to be infeasible to 
> the leaf nodes of one branch after branching.
> 
> As far as I know,  SCIPaddPricedVar add variable globally to the 
> restricted master problem and I assume SCIPdelVar will delete variable 
> from the global master problem, thus the columns will disappear from all 
> other nodes as well.  (Fix me if this is wrong)
> 
> Rather than adding constraints to a node to make these variables to be 
> zero, can I delete some columns locally at each node?
> 
> Thank you
> 
> Best,
> 
> Jungeun
> 
> 
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-- 
Ambros Gleixner, Research Group Mathematical Optimization Methods at 
Zuse Institute Berlin, http://www.zib.de/gleixner