Zhengzhong You
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Activity overview
Latest activity by Zhengzhong You-
Zhengzhong You created a post,
Unexpected Behavior with Heuristic Solutions and Callbacks in Gurobi
Awaiting user inputI've encountered an issue with my Gurobi model where heuristic solutions found during the solving process do not seem to trigger the callback function. I've inserted 'cout' statements within my cal...
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Zhengzhong You commented,
This has been solved. I found out that when the model is the copied from another model. Then the naming rule for the copied one seems messy (especially involving some add-and-delete-cols operations...
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Zhengzhong You created a post,
When the same model is written to both MPS and LP formats, the models read by each file are different?
AnsweredI exported my lp model in LP format, but I found the same variables appear in a same constraint more than once. (e.g., c10 + c11 + c10, where c10 appears twice). And when I exported the same model ...