Matthias Miltenberger

Hi,There is not enough information in your post to give a specific answer. Please check out our guides on performance tuning to better help interpret your log file: Logging - Gurobi Optimizer Refer...

Hi Julian,Did you enable the Network Simplex explicitly when running your tests? You can do this by setting the parameter NetworkAlg to 1. Can you share more details about your test, please?Cheers,...

Hi Bernd, As long as the Gurobi package is not distributed alongside the program, there are no limitations or restrictions regarding the license. There are multiple projects out there that use guro...

Hi! That is a very good question and our custom ChatGPT - Gurobot provides a really good and comprehensive answer: 1. Performance Implications of Different General Constraint Representations Gurobi...

Hi Lee, In fact, ConcurrentMIP > 1 will use different seeds as well as different values for MIPFocus for the single runs. This is documented here: Concurrent Optimizer - Gurobi Optimizer Reference ...

Hi John, You can query the IIS results by checking the variables attributes IISLB and IISUB. I hope that answers your question. Cheers,Matthias

Hi Christian, I am afraid there is no easy way of "maximizing your thread usage". There are simply some parts of the solving process that can be parallelized better than others, and there are some ...

Hi Yuan, Maybe it's a maximization problem, and that's why the values are different than you expected.You would need to share more details to provide a better answer. Cheers,Matthias

Hi Timo, I may be missing something here, but why are you interested in explicitly removing those variables from the objective function? They will just be ignored when the model is read. File sizes...

Hi! There have been indeed some updates to the tupledict and tuplelist implementations in version 11 to make them more Pythonic. Here's the list of updates: Release Notes for Gurobi 11.0 Our docume...