NonConvex

Answered

Twan Vranken

• May 12, 2020 16:48
• Edited

I'm trying to solve a model with a quadratic equality constraint.

In Gurobi 9.0 onwards, it is possible to do this, since you can set your NonConvex parameter to 2.

I do this by setting:

model.params.NonConvex = 2

However, my program states he cannot find a parameter called NonConvex:

No parameters matching 'NonConvex' found

How is this is possible when my Gurobi is updated to 9.0.2?

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• 

  Greg Glockner

  Gurobi Staff

  • May 12, 2020 18:53

  Most likely, you didn't update the Gurobi Python library (gurobipy). You can verify this by running:

  import gurobipy
  print(gurobipy.gurobi.version())

  If so, then follow the instructions in the Quick Start guide to install the Gurobi Python library for your Python distribution:

  • Windows
  • macOS
  • Linux

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