Hongyu Zhang

Hi David, Thanks for your answers. The problem attached is a smaller example, but the real problem I am going to solve is a scale-up version of this problem, so I do need to use barrier to yield be...

Hi Jaromił,  Thanks very much for your answer. It confirms what we have been thinking. But I have two follow-up questions hope you could answer.  1. What will Gurobi do if we set "min 0" as a fake ...

Hi Simon,  Thanks for your reply. I mean to extract all coefficients of all constraints into a dense or sparse array.  Kind regards,   Hongyu.