leng Jianzhi
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Latest activity by leng Jianzhi-
leng Jianzhi created a post,
Assistance with GRB.Callback.MIPNODE for Branch and Cut in Generalized Benders Decomposition
AnsweredHello, I am currently working on using the callback function with the GRB.Callback.MIPNODE parameter to implement a Branch and Cut algorithm for a generalized Benders decomposition. However, I have...
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leng Jianzhi commented,
I’m already found the problem, because the socp constraints can’t return a valid extreme ray, thanks for your help, have a good day.
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leng Jianzhi created a post,
Add Feasibility Cuts for Bender's Decomposition by var.UnbdRay
AnsweredHello, I'm trying to established a benders decomposition algorithm for my MISOCP, and for now, my sub problem is already a SOCP without any integer variables, but it's unbounded durning the iterati...