Gurobi options in GAMS

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João Ribeiro

2022年07月25日 10:57

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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

• 正式なコメント

  

  Simranjit Kaur

  • Gurobi Staff

  2025年11月16日 23:32

  This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum, or try Gurobot, our chatbot interface offering instant, expert-level support.
• 

  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;

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