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Re: [Help-glpk] [Fwd: adding constraints incrementally]

From: Xypron
Subject: Re: [Help-glpk] [Fwd: adding constraints incrementally]
Date: Fri, 09 Nov 2012 19:13:36 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.10) Gecko/20121027 Icedove/10.0.10

Dear Alreva,

your mail had to be forwarded manually because you are not subscribed to
the GLPK help list, cf.

The source distribution of GLPK is available at

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


On 09.11.2012 10:48, Andrew Makhorin wrote:
> -------- Forwarded Message --------
> To: address@hidden
> 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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