Khadija HADJ SALEM
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Activity overview
Latest activity by Khadija HADJ SALEM-
Khadija HADJ SALEM commented,
Hi Jaromil, I added the IntegralityFocus parameter, but I am getting the same problem again: non-integral value for some Integer/Binary variables. m3.Params.IntegralityFocus = 1 Best regards, Khad...
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Khadija HADJ SALEM created a post,
Why does Gurobi return non-integral values for integer/binary variables?
AnsweredHi, I am solving my ILP model (4 variables) using Gurobi, where (alpha, beta) are binary variables and (x,y) are integer variables (defined as below). # DECISION VARIABLES# STAGE 1: alpha, x alpha...
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Khadija HADJ SALEM commented,
No, I have no specific reason to turn off the Presolve parameter. I just tried to compute the root relaxation of my model with Gurobi's default parameters.I tried to solve my model again by activat...
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Khadija HADJ SALEM commented,
Hi again, I have a function (below) to compute the root relaxation of my model. So, for this reason, I have 2 calls to Model.Optimize(). Best regards, Khadija def compute_root_relax(model): r =...
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Khadija HADJ SALEM created a post,
Why is Gurobi taking too much time after finding the optimal solution?
AnsweredHi, I'm trying to solve a big ILP problem. The solution takes little time, less than 5 seconds (good news!) But the problem is that Gurobi does some extra iterations that take a lot of time. What ...