Re: [eclipse-clp-users] Teorethical Question

From: Thorsten Winterer <thorsten_winterer_at_...126...>
Date: Wed, 18 May 2011 12:01:30 +0200
Hi,

from a practical point, CPLEX offers an option to find a set of 
"Irreducibly Inconsistent Constraints". I'm not sure whether it's 
possible to extract that information from CPLEX via eplex, but I would 
be interested in such an option. (Kish: how hard would it be to extend 
the eplex/CPLEX interface?)

One paper I found through Google on IIS is this: 
http://www.sce.carleton.ca/faculty/chinneck/docs/GuieuChinneck.pdf
And here is a tutorial that was presented at CPAIOR 2007: 
http://www.sce.carleton.ca/faculty/chinneck/docs/CPAIOR07InfeasibilityTutorial.pdf
Maybe this helps as a starting point.

Cheers,
Thorsten


On 18.05.2011 09:36, Bogdan Tanasa wrote:
>
> Hi,
>
> I am dealing with a number of linear constraints (linear inequalities) 
> and I am curious if exists some theoretical results regarding the 
> minimum number of constraints which can be violated having as an input 
> the inequalities and the domains of the variables.
>
> From what I read on the Internet I found articles like this: 
> http://www.springerlink.com/content/fr0c10gxnbm0ql93/
>
> Do you know similar work for the particular case when the constraints 
> are a linear combinations of variables?
>
> Thank you,
>
> Bogdan.
>
>
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Received on Wed May 18 2011 - 10:01:48 CEST

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