Nazmi Sener

Thank you for your quick response, For second question, I guess "detmas.setAttr("RHS",covcon[athu,k], A[athu,k]*d[k]*hopen[athu] ) " line causes error. I want to do in both codes that: There is a m...

Hi Ryuta, I don't understand but this problem is vanished after adding print(z_dual.keys()) command. However, after get rid of this warning from the first iteration it again appears in the second i...

Hi Jaromil, Thank you for your quick response. i is not equal to k also. I will try to rewrite this constraint. Another question: How can I change coefficient of any parameter in python? I cannot f...

Dear Eli, Thank you for your quick responses. Since it is not easy to get the same error via a minimal example, I tried running a basic model from Gurobi online example library. The problem I tried...

I use Gurobi 9.1.2 with Conda environment (Python 3.8).