Saeed Abdolmaleki
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Posts
Recent activity by Saeed Abdolmaleki-
Getting the decision variable's local bounds within the B&B tree
AnsweredHiI need to get access the local upper and lower bound of a variable in a branch and bound tree. similar to the method on SCIP:scip.getLbLocal()
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Prunning the tree
AnsweredHelloI am workig on an exact method which embeds with MILP. The idea is to set a heuristic solution into the branch and bound tree. I was able to update the incumbent to a very good point, however ...
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Non-Convex Objective Function
AnsweredHi Gurobi Experts,I have supply chain configuration problem, where the objective function has a sqrt form like below: I previously used Conic Constraint; However I wanted it to know does Gurobi hav...
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Analysis of Benders Decomposition Cuts over Gurobi Logs
Hi scientists, While I was trying to understand the internal logic of using the callback method to generate cuts for a Facility Location Problem—without relying on Gomory cuts or heuristic methods ...
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Benders Strategy
AnsweredHello Gurobi TeamI was trying BendersStrategy which has been sugested by gurobibot on my Complimantory Optimization problem. the given Error Key:Could you guide me on it----------------------------...
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Cuts in Benders
AnsweredHello Gurobi Team,While analyzing the solver logs during the application of Benders decomposition using both the callback-based and classical (cutting plane) methods, I noticed that the number of c...
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Fixed-Charge Network Flow Problem
AnsweredDear Sir/Madam, In the process of solving my model using Benders' decomposition, I applied the callback function to the master problem. However, I am unsure what condition to use for where == .... ...
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Executing .MPS or .LP file in Gurobi Shell Interactive
AnsweredGreaatings Dear Scientists, I have written my model in a .lp and .mps format file, I need to execute my model on Gurobi Shell Interactive over university Labaratory. I dont know how! could you pl...
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How do I generate decision variables as needed?
I modeled a Time Spatial NETFORM problem, the structure of my network is kind of sparse network, that is generating arcs would not be meaningful among all the defined spatial locations, Take for in...
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Calling jar file through Anylogic
AnsweredI am using the academic license of Gurobi. I want to use the Gurobi package for modeling and optimizing part of my simulation process in AnyLogic software, which serves as a simulation engine. Coul...