[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Help-glpk] Hi: Question. Please help.

From: Nicolas Guilbert
Subject: Re: [Help-glpk] Hi: Question. Please help.
Date: Fri, 25 Jul 2008 09:14:15 +0200


I don't think you will be able to avoid using integer variables for
that problem (e.g. extend your set of variables  with a binary
variable per continuous variable and impose a constraint of max. 15-20
non-zero binary variables).

best regards


On Fri, Jul 25, 2008 at 12:18 AM, Jahnavi Prasad
<address@hidden> wrote:
> Hi,
> I am trying to use GLPK in a flux-balance analysis context in biology.
> Once the linear constraints are defined and maximization of the
> objective function is done, I often find that the solution contains too
> many changes across the free variable set, and I cannot change that many
> variables (over 1000 sometimes) for my engineering problem. I can at the
> most take care of say a 15-20. How can I restrict the number (not
> magnitude) of changes in the LP maximization?
> Can someone please answer this question?
> Thanks a lot,
> regards,
> Prasad
> _______________________________________________
> Help-glpk mailing list
> address@hidden

reply via email to

[Prev in Thread] Current Thread [Next in Thread]