Canqi Yao
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Canqi Yaoによる最近のアクティビティ-
Solved! Repalcing large-sized matrix with its sparse matrix can reduce the modeling time!!!
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Hi Eli, Thank you very much, it seems that I have fixed this issue. Best, Canqi
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Hi Eli, I have revised my code according to what you said, however, there is a new error occurred. NameError: name 'EPI' is not defined My code is uploaded as the attached file. # Import Gurobi L...
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Hi Jaromił Apart from reducing time in callback function, can we decrease the number of calling callback function by choosing some nodes with callback function added? Best Canqi
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Hi Matthias Note that when i=0, j=0, and k=0, this constraint = 0 >= -t[0]+ T[0,0] + g[0] * r[0,0] + t[0] - M * (1 - x[0,0,0] which can be further simplified for T[0,0]=0 -g[0]*r[0,0]>= - M * (1 -...
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As shown in the following figure, the 1st element of bineq should be 5000 in this case ( T[i,i]==0 for i in range(N) ). However, running the code gives me a wrong RHS value. # branch and cut us...
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Hi Matthias Using your recommended code cannot obtain the correct right hand side value for inequality constraints, which has been verified by hand. Can you explain the mechanism of adding constra...
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Hi Matthias There is still a problem, can I retrieve A & Aineq respectively. Best Canqi