Dear Xypron,
Thank you very much, I just subscribed to the list. So about my question, you
think then this is theoretically possible to solve my problem by callback
functions?
Regards.
Alreva
________________________________
From: Xypron <[email protected]>
To: alreva <[email protected]>
Cc: [email protected]
Sent: Saturday, November 10, 2012 2:13 AM
Subject: Re: [Help-glpk] [Fwd: adding constraints incrementally]
Dear Alreva,
your mail had to be forwarded manually because you are not subscribed to
the GLPK help list, cf.
https://lists.gnu.org/mailman/listinfo/help-glpk
The source distribution of GLPK is available at
ftp://ftp.gnu.org/gnu/glpk/glpk-4.47.tar.gz
In glpk-4.47/doc/glpk.pdf read the following chapters:
5.4 The cut pool routines
5.1.1 Using the callback routine
Best regards
Xypron
On 09.11.2012 10:48, Andrew Makhorin wrote:
> -------- Forwarded Message --------
> To: [email protected]
> Subject: [Help-glpk] adding constraints incrementally
> Date: Fri, 9 Nov 2012 00:57:10 -0800 (PST)
>
> Dear all,
> I have a LP problem with a huge number of constraints which are saved into a
> large file. The problem is that I can't load this file into memory to use
> the constraints. I was thinking about using the cutting plane method in GLPK
> to solve the problem. However, I don't know whether it is possible to add
> constraints incrementally as cutting planes to a problem object, and perhaps
> remove some of them ?
> Bests,
> Alreva
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