Ariel W
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Ariel Wさんの最近のアクティビティ-
Ariel Wさんが投稿を作成しました:
how to add new coloumns into the left side of constraints?
回答済みfor example, i design original constraints like: c1: a1*x1+a2*x2=1c2: a3*x1+a4*x2=1c3: x1+x2 ≤ 5 while new constraints will be c1: a1*x1+a2*x2 + a5*x3 + a6*x4=1c2: a3*x1+a4*x2+ a7*x3 + a8*x4=1c3: x...
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Ariel Wさんがコメントを作成しました:
Thanks Bot, for your detailed explanation, I got the principle behind this!
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Ariel Wさんがコメントを作成しました:
Thanks! But still a little bit question: Does Gurobi continue the downward branching iterative calculation on the basis of this input solution or anything else?
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Ariel Wさんが投稿を作成しました:
May I ask whether part of the results of the heuristic algorithm search designed by myself can be input into Gurobi
回答済みMay I ask whether part of the results of the heuristic algorithm search designed by myself can be input into Gurobi, so that Gurobi can continue to iterate on this basis? The heuristic algorithm he...
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Ariel Wさんがコメントを作成しました:
Thanks for your careful reply,Soares. I will find the way for optimizing my model based on your advice.
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Ariel Wさんがコメントを作成しました:
Thanks Soares! I got what the meaning of this, but when i use the "model.relax()" in my program, it seems to ignore almost all constraints as my constraints are seemly all related to binary variabl...
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Ariel Wさんが投稿を作成しました:
How to use the function "model.relax()"?
回答済みUsing relax function of Gurobi can we derive the bound of original model? can it help me simplify the MIP model solving? how can i do this, please give me an example. Thank you!
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Ariel Wさんがコメントを作成しました:
Dear Sir, Thanks for your reply. I still have some questions below, which hope for your gentle advises. Q1: In my model, trips need to be all assigened. How this situation will be solved? Q2: And h...
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Ariel Wさんが投稿を作成しました:
How to set the priority of certain types of decision variables in Gurobi
ユーザーの入力を待っています。In my model, s[v,i,j] and w[d,i,j] represent whether vehicle v operates trip j after trip i, and driver d operate trip j after trip i, respectively, they are all binary variables. I want to give p...
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Ariel Wさんがコメントを作成しました:
Sorry, Riley. Waste your time. When I just revisited my code, I found typo. It can work with two similar index. Thank you!