Ariel W

Hello, Jaromił: I still have a question: when ∑i∈S (w[d,i,j]) = 0, p[d,j]=0. How do i define this situation? I tried to follow the way you wrote above, but it proposed "TypeError: 0.0 is not a vari...

I got it! Thank you, Jaromił Najman!

Thanks for your answer. Yes, w is a binary variable and p is a continous variable. For p is also a decision variable, is the method to define still the same?

Thanks, Riley. I got it!