Huilin Feng
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Activity overview
Latest activity by Huilin Feng-
Huilin Feng commented,
Thank you very much, Karbstein.
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Huilin Feng created a post,
Why is Gurobi taking so much time to find a feasible solution with a gap value?
AnsweredHi, I have used Gurobi to solve a model. However, it takes a long time to find a feasible solution with a gap value. Is there any solution to speed up the running time? Here is the output. It takes...
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Huilin Feng created a post,
Why is Gurobi taking so much time to find the optimal solution to objective 2?
Awaiting user inputHi, I have a question regarding algorithms. I've built a model with a relatively complex expression of objective 1 and a relatively simple expression of objective 2. The codes are as follows (in Py...
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Huilin Feng commented,
Hi, Eli. Thank you for your help. I have tried defining the bounds on tp variables, and changed the value of the FuncPieces, FuncPieceError, FuncPieceLength, and FuncPieceRatio attributes. The max ...
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Huilin Feng commented,
I have found that the problem exists in the log function in the objective. Why addGenConstrLogA brings constraint violation warnings?
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Huilin Feng created a post,
Warning: max constraint violation exceeds tolerance
OngoingHi, I am new to Gurobi, and I am trying to solve a MIP model with a large number of variables (7 continuous, 2880871 integer (2880864 binary)) and constraints. When solving the model, it gives me w...