Marika Karbstein

Does it really show “nan” or are the x values simply 0? Please note that the default lower bound for all variables created in Gurobi is 0.I would recommend to write and check the LP-file. You can u...

Can you give more details about what exactly is unclear to you?

Yes, we are currently releasing version 13.0. The Python package is one of the first to be updated. The website's Download Center and the ability to generate Version 13 licenses will be available s...

Did you check the page for more details? It also links to How do I get support as an Academic user? – Gurobi Help Center which includes this: If you still continue to have a license or installation...

Hi Krisitna,You can directly type the name of the university in the field.Best regards,Marika

It might depend on the redundant constraints. I created a ticket, so that you can share the models and we could have a closer look.

Hi Nicolas,If this article How do I resolve an "Academic Domain Error"? – Gurobi Help Center does not help, please open a support request as described in How do I get support as an Academic user? –...

This should work for academics and commercial users with a license valid for version 12.See Introducing Gurobi’s First GPU-Accelerated Solver: Test an Alpha Version of Gurobi’s PDHG Implementation ...

Hi Vilém,If you use and add lazy constraints through a callback, you must set the parameter LazyConstraints=1. Then, no solution that violates any of these lazy constraints should be accepted. So, ...

So, I understand that the crash only happens when you check your data structure during the POLLING callback. You do not see a crash if you move your return statement before the check. Is this corre...