[Clp] CLP finds feasible model infeasible

Nils Löhndorf loehndorf at gmail.com
Sat Jun 23 08:43:23 EDT 2012


This time, I forgot to mention it. It's a maximization problem


On 23.06.2012, at 14:16, Andrew Makhorin <mao at gnu.org> wrote:

>
>> I have created another model formulation that crashes. I have
>> redefined the objective function and removed the buy/sell variables,
>> which were a legacy from another more complex formulation. I have
>> also  tightened the bounds of futureValue, so the RHS value have
>> become a lot smaller.
>>
>
> I'd like to note that the column 'futureValue' in your mps file is
> marked as 'FR' (free), so its rhs value is silently ignored. Besides,
> since that column has a non-zero objective coefficient, your model is
> dual infeasible.
>
>


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