Amin Ahmadi
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Amin Ahmadiさんの最近のアクティビティ-
Amin Ahmadiさんが投稿を作成しました:
MIPGAP not closed
回答済みHello, I am solving a location-transportation optimization problem (Gurobi-Python) that is not challenging with the small number of nodes according to the literature. In order to optimize the sol...
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Amin Ahmadiさんがコメントを作成しました:
I understood. Your suggestions work perfectly. Thanks for your time.
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Amin Ahmadiさんがコメントを作成しました:
Eli, Thanks for your response. As I said, I am using the remove function to eliminate constraints. Since I have to remove more than 6000 thousand constraints, this does not work for me. This is the...
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Amin Ahmadiさんが投稿を作成しました:
How add constraints temporarily to the model?
進行中Hi, I am implementing an iterative method for solving a problem. We need to have a set of constraints in the model at one iteration but not necessary for the subsequent iterations. One way is to re...
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Amin Ahmadiさんが投稿を作成しました:
Customized branching rule
回答済みI have three questions about the selection strategy in the B&B method in Gurobi. As I understood, we cannot find out how Gurobi branches in each iteration. But, I need to control the branching stra...
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Amin Ahmadiさんが投稿を作成しました:
Copying Model
回答済みHello, I generate a model with several decision variables and constraints. Let's call it Model_1. Next, I want to use Model_1 and add new constraints to it in a while loop. However, after the loop...
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Amin Ahmadiさんがコメントを作成しました:
Thanks for your explanation. I have a general question. In my case, building the lp model is taking too much time ( more than 3000 seconds). I am seeking a way to generate the model in a short time...
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Amin Ahmadiさんが投稿を作成しました:
Large LP problem
回答済みI want to solve a large lp problem until the first feasible solution is found. (I do not want to spend too much time on it). Also, I want to give 5 minutes extra time to find a possible better sol...