Makedon Karasavvidis
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Latest activity by Makedon Karasavvidis
Makedon Karasavvidis created a post,
MILP: values that are constrained to be equal, have a 0.000001 difference
AnsweredThis fact affects the solution time a lot, as I guess the solver tries to optimize in such a small scale the variables. any ideas?

Makedon Karasavvidis commented,
Thank you very much for your response. I guess you mean continuous variables that are used (auxiliary) in bigM expressions ? By saying expression bounded do you mean something different than just ...

Makedon Karasavvidis created a post,
MILP solution taking too long, while the incumbent obj value is at the optimal level from early on
Using GUROBI with python. When solving a MILP, I notice that the incumbent is very early (25sec) at the optimal point but the best bound is so slow to fall (maximization problem) that it takes ages...