Xin Yu Zhuang
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Activity overview
Latest activity by Xin Yu Zhuang-
Xin Yu Zhuang commented,
I apologize for the oversight! Thank you for pointing that out. I’ve attached the g array in my updated model. g = np.array([ [-52132, -2437, -89683, 23721, 17470, 56906, -87388, -6704, -3640, -213...
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Xin Yu Zhuang commented,
Thank you so much for your recommendations! Yes, I assume that the actual objective value of the solution is close to the incumbent solution. After reading the article you suggested, I realize my f...
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Xin Yu Zhuang commented,
Thank you for your response. I made some adjustments and generated a new log. However, I’m now facing an issue where the best objective bound doesn’t improve, even after letting it run all day. I’v...
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Xin Yu Zhuang created a post,
MIQCP cannot improve incumbent and even cannot find any best bound
Awaiting user inputI’ve experimented with many parameter combinations, but I’m still encountering issues: the incumbent solution remains unchanged, the best bound isn't found, and the gap is large and difficult to cl...
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Xin Yu Zhuang commented,
Thank you so much for your help.
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Xin Yu Zhuang created a post,
MIP does not find any incubment solutions
AnsweredHi, I'm working on solving a mixed-integer programming problem, but my model is struggling to find an incumbent solution. At this point, even obtaining a feasible solution would be helpful. Below i...