[Coin-discuss] Re: Coin-discuss Digest, Vol 11, Issue 1

Francois Margot fmargot at andrew.cmu.edu
Thu Sep 1 08:41:55 EDT 2005


>
> Message: 1
> Date: Wed, 31 Aug 2005 11:45:11 -0500
> From: "Heesu Hwang" <hxh9528 at omega.uta.edu>
> Subject: RE: [Coin-discuss] Node and Cuts
> To: "'Discussions about open source software for Operations Research'"
> 	<coin-discuss at list.coin-or.org>
> Message-ID: <001501c5ae4b$5b37c910$020ba8c0 at Peter>
> Content-Type: text/plain;	charset="us-ascii"
>
> Dear, Francois.
>
> Between our conversation, I found that CPLEX might have created the
> slack variable.
> I checked *.mps files in each node, and changed them to readable *.lp
> files using CPLEX
> Strangely up-branch and down-branch files look like what I described.
> Do you have any clue about this?
>

Why don't you explain where you generate your cuts, and where and how you
transmit them to Bcp. I can guarantee you that this is not the default 
behavior of Bcp ...

Francois




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