[Couenne] Is it possible setting relative and absolute convergence tolerances on couenne.opt?

[Wendel Melo]

Thank you, Pietro! I agree those default values are too small...

Wendel


2013/10/24 Pietro Belotti <petr.7b6 at gmail.com>

> Wendel,
>
> these parameters are those of Cbc, which is the branch-and-bound library
> on which Couenne is based. The parameters are
>
> allowable_gap 1e-10
> allowable_fraction_gap 0
>
> (the absolute one is the first) to be specified in the couenne.opt file,
> and the default values are next to each parameter (both quite small, now
> that I look at them).
>
> Pietro
>
>
>
> On Thu, Oct 24, 2013 at 9:39 PM, Wendel Melo <wendelalexandre at gmail.com>wrote:
>
>> Hi experts
>>
>>
>> I would like to set relative and absolute convergence tolerances using
>> Couenne. Is it possible set it on couenne.opt parameter file? If yes, what
>> would be the respectives parameter names?
>>
>> Taking advantage, does anyone know what are the default values for those
>> parameters?
>>
>>
>> Thanks in advanced
>>
>>
>> --
>> Wendel Melo
>> Ph. D. student
>> University of Michigan / Federal University of Rio de Janeiro
>>
>> _______________________________________________
>> Couenne mailing list
>> Couenne at list.coin-or.org
>> http://list.coin-or.org/mailman/listinfo/couenne
>>
>
>


-- 
Wendel
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