[Scip] Branching on variables in the original problem

[Shahin Gelareh]

Dear SCIPers

I was browsing the archive to possibly find answer to my question before
posting here.
I saw the following message, in particular when it says:
"You only need to tell your pricing problem about branching decisions, see
http://scip.zib.de/doc/html/FAQ.shtml#Q5.3"

The questions are the following:
1. "need to tell your pricing problem" : is there a straightforward
mechanism for that or shall I keep a history of branches etc etc
2. The hyperlink http://scip.zib.de/doc/html/FAQ.shtml#Q5.3 seems no longer
valid. Would it be possible to still find it?


Cheers
Shahin




On Thu, Jan 10, 2013 at 8:44 AM, Marco Luebbecke <
marco.luebbecke at rwth-aachen.de> wrote:

> Dear Victor,
>
> the easiest way is to explicitly express the original variables as
> combination of your master variables. You can then directly branch on
> these original variables, also the elimination of master variables
> that are incompatible to the branching decisions is for free then (in
> the binary case). You only need to tell your pricing problem about
> branching decisions, see
>
> http://scip.zib.de/doc/html/FAQ.shtml#Q5.3
>
>
> Best regards,
> Marco
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