whwhwh55
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Latest activity by whwhwh55-
whwhwh55 commented,
Thank you!
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whwhwh55 commented,
Thank you, Jaromil, I will try the heuristics. Thoms, do you have any guidance tuning the lazy constraints and partition heuristic?
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whwhwh55 commented,
I apologize for the inconvenience. I put an unzip version and please see if it works. I also set the Dropbox access permission for anyone beyond our university scope. https://www.dropbox.com/s/a1c8...
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whwhwh55 commented,
The mode is uploaded to this dropbox link: https://www.dropbox.com/s/yujwy4h6oyu9xzd/workindv_model.zip?dl=0 Many thanks
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whwhwh55 commented,
Great. the zipped file is around 550MB. I hope I can upload from here.
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whwhwh55 commented,
Do you expect to see the .mps model or the code to generate the model? The .mps model is 5.5GB. If it is too large, I have to schedule a shorter period so that you may just scan it for potential pr...
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whwhwh55 commented,
Thank you! Let me first make a saved model to . mps file as soon as I can and then figure out how to share it to community with your link.
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whwhwh55 created a post,
About how to optimize the solver's speed for large optimization.
AnsweredI am running a large optimization problem for task scheduling. The ILP problem seems fine for 8-10 days of task scheduling. But when I run it for 31 days. It has taken so long, and still cannot rea...
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whwhwh55 commented,
Thank you very much for the prompt reply. This seems to be a very good approach. I will try. Sometimes I don’t have the right keywords searching for the answers. I hope these examples may be presen...
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whwhwh55 created a post,
Efficient of defining decision variables
AnsweredHi, Gurobi team I need to find a way of reducing decision variables. Here I need to define a binary decision variable called x_wjl. For worker index w, there are 428 values such as "worker 1", "wor...