Seyedkianoush Mousavichashmi
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Activity overview
Latest activity by Seyedkianoush Mousavichashmi-
Seyedkianoush Mousavichashmi created a post,
Non-convex problem with bilinear objective - unbounded
Awaiting user inputHi, I am solving a non-convex problem with bilinear objective via Gurobi. I can solve the problem analytically to optimality and I am aware of the optimal solution. When I use Gurobi (with presolve...
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Seyedkianoush Mousavichashmi created a post,
Issue with callback best objective and heuristic solution (versions 9.1.2 and 9.0.0)
Awaiting user inputHello, I am applying Benders decomposition via callback to my problem. I noticed that I can generate heuristic solution from integer solution which is possibly better than the best objective foun...
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Seyedkianoush Mousavichashmi created a post,
Is it possible to retrieve duals from the root node (with added cuts by the solver) in a MILP problem?
Hi, I have a MILP problem with a tight LP relaxation. In order to get the MILP value functions, I use LP relaxation duals. When solving the MILP, I noticed in the root node has a much better bound ...
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Seyedkianoush Mousavichashmi commented,
Thank you very Much! It solved my issue! Regards, Kianoush
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Seyedkianoush Mousavichashmi created a post,
Adding and removing Scenarios in multiscenario setting
AnsweredHi, I noticed that in the multi-scenario feature of Gurobi, there is no option of removing scenarios. This is problematic when we use a model iteratively instead of creating and deleting a mode...
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Seyedkianoush Mousavichashmi created a post,
How to remove scenarios from Multi-Scenario Gurobi model or transfer it to a normal single Scenario model?
Hi, I'm using the Gurobi Multi-Scenario model (scenarios are based on right-hand sides) and I solve it iteratively. So in each iteration, I have a new base model and a new set of scenarios (which i...