Raising to the power of a variable

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mina torabi

• 2024年11月26日 17:56

Hello,

I have a question regarding modeling a constraint. I have x = a ^ n, where a is a given parameter and n is a decision variable. How should I model this as a constraint? I tried model.addGenConstrPow(a, x, n), but this does not seem to work. 

I would appreciate any help.

Thanks

関連

• General Constraints

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• 

  Ryuta Tamura

  Gurobi Staff

  • 2024年11月27日 01:31

  Hi Mina,

  model.addGenConstrPow is used to create constraints \(x = n^a \) (x, n: variable, a: constant). You can use model.addGenConstrExpA to create constraints \(x = a^n \):

  model.addGenConstrExpA(n, x, a)

  Thanks,
  Ryuta

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