[SCIP] best way to use scip with matlab?

[Stefan Vigerske]

Hi,

yes, at least for a prototype.
If it turns out to be working well, then you can still see if you can 
get SCIPs own matlab interface working.

Stefan

On 08/09/2017 04:23 PM, Vyacheslav Kungurtsev wrote:
> OK, so do you suppose the best way is to write a matlab script that
> translates the problem instance into a .lp/.pip format and then run the
> shell to call it from matlab?
> 
> On Wed, Aug 9, 2017 at 2:01 PM, Stefan Vigerske <stefan at math.hu-berlin.de>
> wrote:
> 
>> Hi,
>>
>> the .lp format is quite easy to write and also understood by a number of
>> other solvers. The .pip format is similar and a bit simpler, but understood
>> by hardly any solver (other than SCIP), as far as I know.
>> To use the AMPL SCIP interface, you might need an AMPL license, or write
>> .nl files directly.
>>
>> There is also a matlab interface distributed with SCIP (see
>> interfaces/matlab), but I don't know its current status.
>>
>> Stefan
>>
>>
>>
>> On 08/09/2017 12:33 PM, Vyacheslav Kungurtsev wrote:
>>
>>> Hello,
>>>
>>> I am trying to find a solver (available via academic license at most) for
>>> nonconvex binary QPs. CPLEX requires the constraint quadratics to be
>>> positive semi-definite, so I stumbled on to SCIP after finding the OPTI
>>> toolbox. But the OPTI toolbox is apparently only available for Windows, so
>>> I figured directly installing scip to run in matlab should be possible,
>>> but
>>> unlike opti there is no matlab interface, apparently.
>>>
>>> I haven't heard of any of the formats specified in the SCIP documentation,
>>> are there any you would recommend as being straightforward to write a
>>> script to convert into the proper data format by printing appropriately
>>> from MATLAB problem data? I have heard it is possible to access it through
>>> ampl, but how would you run scip through the ampl mex?
>>>
>>> Thank you
>>>
>>>
>>>
>>> _______________________________________________
>>> Scip mailing list
>>> Scip at zib.de
>>> https://listserv.zib.de/mailman/listinfo/scip
>>>
>>>
>>
>> --
>> http://www.gams.com/~stefan
>>
> 


-- 
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