Fan YANG
- Total activity 21
- Last activity
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Activity overview
Latest activity by Fan YANG-
Fan YANG commented,
Dear Eli, Thanks for your reply! :)
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Fan YANG commented,
Hi Eli, I meet a similar problem. Before re-solving, I need to change some constraints instead of the objective. I guess the Gurobi will also discard all of lazy constraints generated in an earlier...
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Fan YANG created a post,
academic license time
AnsweredDear, I would ask that now the academic license is vaild for two months? not 1 year? Many thanks, Fan
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Fan YANG commented,
Hi Matthias, Many thanks for your answer. Kind regards, Fan
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Fan YANG commented,
Hi Matthias, I have a similar problem. If I close presolve, could I retreive those cuts?
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Fan YANG created a post,
MIP Start and callback
Dear, I am using "MIP start" to give an initial solution to Gurobi; at same time I also use callback function to generate cuts. After setting "MIP start" and Gurobi starting , the callback functio...
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Fan YANG commented,
Hi Thomas, Thanks for your reply, I am trying read and learn that page. Best.
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Fan YANG created a post,
About Farkas Dual in Benders Decomposition
AnsweredDear,I am working on a Benders Decomposition, and I would like to add feasiblity cuts to master problem by Farkas dual. I have several problems as: 1. The value returned by the call of farkas dual...
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Fan YANG commented,
Hi Sonja, thanks for your reply. I understand!
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Fan YANG commented,
Hi Sonja, Thanks for your reply. I got your point. I attached a picture.