Austin Buchanan
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Activity overview
Latest activity by Austin Buchanan-
Austin Buchanan commented,
Hi Maliheh, Thanks for the update. However, it appears that the new functionality in Gurobi 9.5 will not help me. Based on some initial tests, it seems that Gurobi's search process proceeds as usua...
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Austin Buchanan commented,
Hi Jaromił, Glad to hear the feature is upcoming! Best, Austin
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Austin Buchanan created a post,
PoolSearchMode with auxiliary variables (extended formulations)?
AnsweredI have become interested in using PoolSearchMode for enumerating all integer feasible solutions of a MIP and have a related question. For many problems, there are key decision variables, let's call...
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Austin Buchanan created a post,
Help with python callback -- adding callback on different line than optimize()
AnsweredI am using a cut callback in some python code. Normally, I would follow the example set in the tsp.py code, which does the following: m.optimize(subtourelim) You can see that it passes the callback...
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Austin Buchanan created a post,
Getting academic licenses while university campuses are closed?
OngoingI have about 20 students in my undergraduate operations research course. Our campus has shut down for the rest of the semester. Is there another way for them to get free academic licenses, besides ...
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Austin Buchanan created a post,
Will Gurobi retain lazy cuts after changing the objective coefficients?
AnsweredConsider the following scenario. I build a MIP model. I create a callback for adding lazy cuts. I solve the MIP, adding many lazy cuts in the callbacks. I change the objective coefficients on some...