INDICATOR CONSTRAINT

Answered

Parijat Mitra

• May 04, 2021 09:14

Can anybody explain what indicator constraint is in gurobi?

for example

model.addConstr((a==1)>>(b==1))

what does it exactly mean? I read the article on indicator constraint but it was not lear to me

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• 

  Jaromił Najman

  Gurobi Staff

  • May 04, 2021 12:32
  • Edited

  The indicator constraint you stated says that if the binary variable \(a\) equals \(1\), then variable \(b\) has to be equal to \(1\). However, if the binary variable \(a\) is \(0\), then \(b\) can attain any value within its bounds.

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