Yuyi Zhong

Hi, Thank you for the latest reply. All the scenarios have the same constraint set, only different objective functions. I am under this impression that as long as they share the same constraint set...

Hi, The code snippet looks like, where in the second last row, it gives me "Gurobi error: Unable to retrieve attribute 'ScenNX' with error code 10005. Error obtaining ScenNX 50 for layer 0, neuron ...

Hi, I think I know the reason, I added new constraints to the model and updated the model before scenario 4. Since the base model is modified, scenario 4 returns "GRB_LOADED". I delayed my calling ...

Hi, Thanks for your suggestion, but updating to 9.5.0 doesn't really help. I didn't see a button to attach files, how can I share lp and mps files to you?  Thanks and Regards, Yuyi

I am trying to retrieve the ObjVal for each scenario, but I had "Gurobi error: Unable to retrieve attribute 'ScenNObjVal'" for one of the scenarios. After checking, I find that the model status for...

Hi, Thanks, but I am actually solving a multi-scenario model https://www.gurobi.com/documentation/9.0/refman/definition_of_a_multi_scen.html., where a single call to the standard Gurobi optimize me...