Matthias Miltenberger
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Gurobi Staff
Gurobi Optimization Support Manager - Berlin, Germany
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Activity overview
Latest activity by Matthias Miltenberger-
Matthias Miltenberger commented,
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...
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Matthias Miltenberger commented,
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,...
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Matthias Miltenberger commented,
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...
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Matthias Miltenberger commented,
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...
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Matthias Miltenberger commented,
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 ...
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Matthias Miltenberger created an article,
What is the Signature in LP and MPS files?
In version 12 and up, the Gurobi Optimizer inserts a Signature comment when writing an LP or MPS file. This signature facilitates the identification of the model's creator and the handling of your ...
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Matthias Miltenberger commented,
Hi John, You can query the IIS results by checking the variables attributes IISLB and IISUB. I hope that answers your question. Cheers,Matthias
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Matthias Miltenberger commented,
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 ...
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Matthias Miltenberger commented,
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
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Matthias Miltenberger commented,
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...