From: Raniere Gaia Silva <address@hidden>
To: Alireza Vazifedoost <address@hidden>
<address@hidden>; "address@hidden" <address@hidden>
Sent: Wednesday, November 14, 2012 5:14 PM
Subject: Re: [Help-glpk] [Fwd: adding constraints incrementally]
yes, theoretically is possible to solve your problem using callback functions.
In practice, it will depende of how much large is your data set.
On Wed, Nov 14, 2012 at 12:22 AM, Alireza Vazifedoost
> 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?
> From: Xypron <address@hidden
> To: alreva <address@hidden
> Cc: address@hidden
> 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.
> 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
>> 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
>> 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
>> remove some of them ?
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