Fikri Kucuksayacigil
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Latest activity by Fikri Kucuksayacigil-
Fikri Kucuksayacigil commented,
Okay, I found the solution. The following works for me: paramname = ["MIPGap", "TimeLimit", "Method"]paramvalue = [0,01, 91800, 2]Expansion_Model = Model(optimizer_with_attributes(Gurobi.Optimizer...
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Fikri Kucuksayacigil created a post,
How to give a parameter list to Gurobi
AnsweredHi all, I use Gurobi to solve an optimization problem in Julia. I might need to try different Gurobi parameters. Currently, I write parameters and their values inside the model directly, like Expan...
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Fikri Kucuksayacigil commented,
Okay, thank you. Kind regards
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Fikri Kucuksayacigil commented,
Okay, I think I have an answer for the first and the second questions. In the link below, it is stated that Gurobi prefers double precision. https://www.gurobi.com/documentation/9.5/refman/real_num...
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Fikri Kucuksayacigil commented,
Hi Maliheh, I have a quick (and probably a very beginner level question) question. You mention that I need to "Use double precision and avoid rounding the coefficients". I have no idea what precis...
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Fikri Kucuksayacigil commented,
Okay, thank you so much. Kind regards
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Fikri Kucuksayacigil commented,
Hi Maliheh, Thank you so much for your answer. I am sorry for the confusion for Presolve log files. Yes, I tried Presolve = 0 and Presolve = 2 at different times. That is why you might be confused...
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Fikri Kucuksayacigil commented,
I think I have already shared the log file of Method = 2. This is Scaled (2)'s log file included in the message I sent 14 days ago. Below, you will see the log files of each of the remaining experi...
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Fikri Kucuksayacigil commented,
Hi again, I have completed the experiments that you suggested, except the one which requires me to increase the number of dense columns. I could not figure out which parameter I should tweak. I hav...
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Fikri Kucuksayacigil commented,
Hi Maliheh, Thank you so much for your detailed answer. I have already started experimented with parameters you have suggested. I will report here what I get. Regarding your questions; Some jobs w...