Jaromił Najman
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Activity overview
Latest activity by Jaromił Najman-
Jaromił Najman commented,
Hi Muhamad, It is possible that the optimal solution point is the same but the objective value is different. A trivial example would be an objective with and without a constant. What you should che...
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Jaromił Najman commented,
Hi Fabiana, Gurobi's MATLAB API supports quadratic (nonconvex) objectives. Please have a look at the qp.m example and the corresponding documentation. Best regards, Jaromił
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Jaromił Najman commented,
Official comment This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please creat...
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Jaromił Najman commented,
Hi Dai Nam Nguyen, Unfortunately, Gurobi currently does not support automatic Benders decomposition. As an alternative, you might want to have a look at open-source packages such as the SCIP Bender...
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Jaromił Najman commented,
Hi Lei, Could you please update to Gurobi version 12 and try again. If you are not able to upgrade to version 12, please try setting the FuncNonlinear parameter to 1. This will tell Gurobi to treat...
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Jaromił Najman commented,
Hi Seyedkianoush, a postponed node is a node that Gurobi was not able to solve for whatever reason. It may be that a node is unbounded when it shouldn't or some numerical trouble were encountered. ...
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Jaromił Najman commented,
Cann i also model functions such a power or a sigmoid function without using addGenConstrPWL? Which command would i use for that? With version 11 you can use the addGenConstrPow method to add po...
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Jaromił Najman commented,
Hi Dejan, Strangely enough, it doesn't work with addGenConstrExp(). How do I get it to work? Could you please elaborate what exactly does not work? Note that you have to introduce an auxiliary va...
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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...