Timothy Baeckelant
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Timothy Baeckelantさんの最近のアクティビティ-
Timothy Baeckelantさんが投稿を作成しました:
Gurobi v11 outperforms Gurobi v12 for some models
回答済みHi everyone, I've recently been very impressed by how fast Gurobi v12 is for non-convex MIQCP problems. Out of curiosity, I wanted to compare its performance with Gurobi v11 on some models. Here is...
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Timothy Baeckelantさんがコメントを作成しました:
Hello Marika, thanks for this answer! I first wrote a "matrix-based modeling" but the time to build the model was even worse, so I tried like this. However, just using Model.addVars() makes the gen...
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Timothy Baeckelantさんが投稿を作成しました:
Slow constraints addition in Python vs. C++
回答済みHello, I'm getting troubles with my model. Here is my code : T = model.addMVar((numnonzero,), vtype=GRB.BINARY) for s1 in range(numnonzero): for s2 in range(s1+1,numnonzero): row1 = nonz...
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Timothy Baeckelantさんがコメントを作成しました:
Thank's a lot ! Now I have one more question. Does this also works if the model in supposed to be infeasible ? Which parameters could improve the solving time of an infeasible model ?
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Timothy Baeckelantさんが投稿を作成しました:
BestBdStop for feasibility problems
回答済みHello, I am fine-tuning my model for a feasibility problem. I use two different ways : create a feasibility problem (minimize 0) or minimize an objective but I set the solution limit attribute to 1...
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Timothy Baeckelantさんが投稿を作成しました:
Segmentation Fault from libgurobi100.so
回答済みHello, I recently cloned a C++ project that uses the Gurobi solver. I just booted my computer with Ubuntu, so I installed Gurobi and downloaded my academic license. This code is supposed to work co...