[SCIP] How to add operators on variables in a constraint

[Matthias Miltenberger]

Dear Sakib,

this constraint type is currently not yet supported by PySCIPOpt. You 
would need to write a new Conshdlr class that implements `exp()`. This 
might be a good starting point: 
https://github.com/SCIP-Interfaces/PySCIPOpt/blob/master/tests/test_tsp.py

all the best
Matthias

On 07.04.2017 17:15, sakib mondal wrote:
>
> Hi,
>
>
> I am trying to use scip solver where one of the constraints need 
> exponentiation of a variable.  For example,
>
>
>
> model.addCons(quicksum(exp(x[i]) for i in I) ==1, name="constraint")
>
> Wondering what would be possible ways to add this.
>
> I tried searching for such examples, but could not find any.
>
> Would appreciate any help. I am using pyscipopt.
>
> Regards
> Sakib
>
>
>
>
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-- 
\__________________

Matthias Miltenberger
Zuse Institute Berlin
Takustr. 7, 14195 Berlin
www.zib.de/miltenberger
miltenberger at zib.de
+49 (30) 841 85-245

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