Assia Kamalidrissi
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Recent activity by Assia Kamalidrissi
I tested on otehr machine. I takes more time to display licence of Gurobi. Here is the data:NAME : Pn40k5COMMENT : (Augerat et al, Min no of trucks: 5, Best value: 458)TYPE : CVRPDIMENSION : 40ED...

I figure out that the license will finish by Oct 7, 2024. Is the issue related to the fact that the license will expire very soon? Thank you Assia

I'm using the same model object and same data. Here is the model: def CVRP(df,time_matrix_truck,customers, nodes, trucks, truck_capacity): mdl = Model('CVRP3') arc_k = {(i, j , k) for i in no...

Im' using the same version of Gurobi which 10.0.3. I'm trying to reexecute the same program in machine with 56 Threads and 500 GB. Its staks in reading the license. Afther that, I got the message "...

Thank you for clarifying the formulation. I will add your suggestion. Meanwhile, I try to formulate it as follows: arc_k = {(i, j) for i in nodes for j in nodes if i != j} xx= mdl.addVars(arc_k, vt...

Hi Ronald, Thank you so much for your help. I got the following status: Model is infeasible Best objective , best bound , gap  Set parameter TimeLimit to value 3600 No optimal solution found run...

Hi Elisabeth, Thank you for this explanation. By setting Threads to 0, it takes more than 8812s to get the optimal result. However, the optimal result can be retrieved in the following line with 19...

Hi Riley, Thank you for your reply. If understand from the response below that more Threads make Gurobi spends more time. The machine has 112 Threads. Would you please tell me how many threads I ha...

When I kept default value of the parameters Heuristics, Cuts, PreSparsify and NodefileStart. there is a heuristic solution to start: Set parameter Presolve to value 0 Set parameter Threads to val...

Hi, Thank you for your reply. The model fingerprint is 0xf11e235e as showed in my first post. While 0xbf1c0f3c is the model with minimizing distance rather than time. Here is the ongoing solving wi...