Gurobi options in GAMS

回答済み

João Ribeiro

• 2022年07月25日 10:57

I've recently moved to Gurobi and we use GAMS.

Have been struggling to implement Gurobi options, is there a way to use Gurobi options directly? With a file or something like that. 

For instance, I want to use the following options and have not found a GAMS correspondence:

Scaleflag;

MIPFocus;

Thank you in advance, 

1

• 

  Eli Towle

  Gurobi Staff

  • 2022年07月27日 14:54

  You can create a solver options file that contains the Gurobi-specific parameters you want to use. For example:

  Model mymodel / all /;
  
  $onecho > gurobi.opt
  mipfocus 1
  scaleflag 2
  $offecho
  mymodel.optfile = 1;
  
  option Solver=gurobi;
  solve mymodel using mip minimizing z;

  0

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