SCIP Solver

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Mostafa, AbdelRahman

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Jun 18, 2022, 10:44:07 AM6/18/22
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Dear AMPL Team

I am using AMPL in windows 10, and I want to use SCIP solver to optimize my problem, I have downloaded SCIP download file from their website as you are mentioned in your website in all solvers page

I installed SCIP solver in my laptop, but when I run AMPL with SCIP solver , it says (user parameter file <scip.set> not found - using default parameters)

So kindly how to fix SCIP solver in AMPL

 

Best regards

Abdelrahman Mostafa  

AMPL Google Group

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Jun 20, 2022, 10:32:48 AM6/20/22
to AMPL Modeling Language
This is not actually an error. The message is telling you that SCIP is using default values for all of its parameters, because it has not found a SCIP parameter file. If you want to use the default values for all SCIP parameters, then you can just ignore this message.

To set non-default values for some SCIP parameters, create a file named scip.set in the same folder as the SCIP executable file (scip.exe), with one line for each parameter that you want to change. For example,

display/verblevel = 0
limits/gap = 0.0001

SCIP's parameter list shows all of the available parameters, and their default values.


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