Jaromił Najman
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Activity overview
Latest activity by Jaromił Najman-
Jaromił Najman commented,
Hi Margi and Happy New Year, This issue is explained in the Knowledge Base article Why doesn't Gurobi support strict inequality constraints like x < a? Best regards, Jaromił
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Jaromił Najman commented,
Hi Xuan Lin, Are the techniques disabled by activating LazyConstraints inherently incompatible with lazy constraints, or is there a workaround to mitigate the slowdown? The deactivated techniques...
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Jaromił Najman commented,
Hi Graham, Is it possible to read SMPS formatted problems with Gurobi in python? Gurobi does not support SMPS files. A list of supported file formats can be found in the File Formats section of t...
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Jaromił Najman commented,
Hi Joshua, You might want to have a look at the Knowledge Base article How do I avoid an out-of-memory condition? In general, given the complexity of optimal power flow problems, you might want to ...
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Jaromił Najman commented,
Hi Xuan Lin, Activating the LazyConstraints parameter disables some presolve reductions which would interfer with lazy constraints. From the docs The parameter tells the Gurobi algorithms to avoid...
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Jaromił Najman commented,
When I was solving a non-convex nonlinear (continuous) problem, it reports "Solving non-convex MINLP". This is the default output then solving non-convex nonlinear problems. Gurobi does not intro...
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Jaromił Najman commented,
Hi Hoda, m.setParam("TimeLimit", 300) # Limit the solver runtime to 300 seconds Allowing a time limit of only 5 minutes seems very restrictive, given the large number of binary variables. B...
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Jaromił Najman commented,
Hi Nick, How to efficiently linearize this term? An efficient method is discussed in Multiplication of a continuous and a binary variable. The idea is the same if \(x\) is an integer variable. Pl...
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Jaromił Najman commented,
Thank you for sharing the model. Unfortunately, you code runs into an error, because the dictionary \(\texttt{g}\) is not defined.
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Jaromił Najman commented,
Hi Xin Yu, In addition to the recommendations made by Ryuta, could you maybe please share the model such that we could have a closer look? Note that uploading files in the Community Forum is not po...