[SCIP] Stopping at the next best solution than the one passed

[Meenarli Sharma]

Hello Ambros,

Thank you for the reply. I have already tried this parameter but I got the
error: WARNING: unknown parameter <limits/objective>. Any clue why is it
happening?

Regards,
~Meenarli


 already > Hi Meenarli,
>
> "limits/objective" is the parameter you are looking for.
>
> You easily inspect a list of all parameters with documentation yourself
> in a file by typing "set save scipparams.set" in the interactive shell.
>
> Best,
> Ambros
>
>
> Am 05.06.2018 um 19:12 schrieb Meenarli Sharma:
>> Hello Gerald,
>>
>> Thank you very much for the prompt reply. Is there any option (to be
>> written in scip.set file) for passing an upper bound on the objective
>> value and then stop at the first solution with objective value smaller
>> than the one passed?
>>
>> Thank you again.
>>
>> Regards,
>> ~Meenarli
>>
>>   > Dear Meenarli,
>>>
>>> you want to set limits/bestsol to 1.
>>>
>>> Best,
>>> Gerald
>>>
>>> On 05.06.2018 17:48, Meenarli Sharma wrote:
>>>> Hello everyone,
>>>>
>>>> I am using SCIP as a solver with AMPL. I pass a feasible solution and
>>>> want
>>>> SCIP to stop when it finds a solution better than the one that is
>>>> being
>>>> passed. How can this be achieved?
>>>>
>>>> I tried limiting the number of feasible solutions but it didn't help
>>>> as
>>>> heuristics found that many solutions - none of them is better than
>>>> what
>>>> is
>>>> being passed in this case- and it stopped. I can try changing the
>>>> limit
>>>> on
>>>> solutions until I find a better one but I am forced to believe there
>>>> must
>>>> be a better way to do it.
>>>>
>>>> Any help will be highly appreciated.
>>>>
>>>> Thanks and regards,
>>>> ~Meenarli
>>>>
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>>>
>>>
>>
>>
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>
> --
> Ambros Gleixner, Research Group Mathematical Optimization Methods at
> Zuse Institute Berlin, http://www.zib.de/gleixner
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