ibtissam labriji

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Votes on activity by ibtissam labriji Recent activity Votes
  • a Variable which is the upper bound of a sum

    Answered

    Hello,  I would like to know if it is possible to model the following expression in gurobi and if gurobi is able to solve it:  M is an integer variable that takes value 1, 2, 3 or  4. This variable...

  • Reliable Results ?

    Answered

    Hello, When I run my optimization problem I get results but I wonder to what extent the results I get are reliable, especially that I receive this warning: Warning: Model contains large rhsConsider...

  • If constraints

    Hello,  I am working on a MILP where i want to add the following constraint:  I have two variables o[i] that is binary and f[i] that is continuous. I added the following constraint : m.addGenConstr...

  • How to model the indicator function in Gurobi

    Answered

    Hello,  I would like to model the following constraint : f_r are problem variables declared as follows : for i in range(R):      f[i] = m.addVar( lb=0.0, vtype=GRB.CONTINUOUS, name="CPU frequency"...

  • Optimization

    Answered

    Hello, I have a question about an optimization problem and I don't know if it is the right place to ask.  The problem is to optimize more specifically minimize a quantity that is a combination of b...

  • Invalid argument to QuadExpr multiplication Error

    Answered

    Hello,  The problem I want to optimize is the following: With M an integer variable that takes 4 values, o a binary variable and a f continuous one.  First of all, I expressed M and f to the power...