vigneshwaran kannan

What is a floating license?  I am using Gurobi 9.5 and wls (floating license) academic license for WSL is only for Gurobi version 10. 

David Torres Sanchez Thank you so much. You solved my problem I ll read further about the difference between all the methods you a recommended

David Torres Sanchez Thanks but I still face the issues. Even after modifications as the LP matrix pi_mat is actually a sparse matrix and hence I couldn't multiply as you mentioned in the above cor...

David Torres Sanchez Thank you so much! But I also need to add constraints and there again I encounter @ symbol. How do I replace the @ symbol in model.addConstr() method in  the code.  Edit: One m...

Thank you so much Jaromił Najman

Thanks for the reply  Jaromił Najman! Yes $\frac{1}{|x-y|}$ is the cost function coefficient from $x$ to $y$. I have two confusions here, 1. If I change the diagonal values, where the transportatio...