Henrik Büsing
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Henrik Büsingさんがコメントを作成しました:
The default value of ScaleFlag changed from version 6 to version 8 from 1 to -1. Thus, setting ScaleFlag to 1 differs from the default value in my Gurobi 8.0.0. Henrik
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Henrik Büsingさんが投稿を作成しました:
Default values NumericFocus and ScaleFlag
Dear Gurobi experts, I see some strange behaviour when using NumericFocus and ScaleFlag. I use two different sets of parameters (see [1]). The first set does not use NumericFocus and ScaleFlag. The...
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Henrik Büsingさんがコメントを作成しました:
Dear Silke, I had not paid attention to the seed value up to now. I have now examined seed values from 0 to 10 for optimality tolerances of 1e-7 and 1e-9. In 6 of the 11 cases the run-time behaves ...
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Henrik Büsingさんがコメントを作成しました:
Hi Silke, Thank you very much for your answer! But the barrier tolerance is the same in both cases, namely 0.0. And the barrier logs are (except for the time) absolutely identical. Thus, I would sa...
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Henrik Büsingさんが投稿を作成しました:
Unexpected behaviour of Crossover algorithm
回答済みDear Gurobi experts, I solve an LP model with Gurobi. I have set the number of threads to 1, method to 2 (barrier) and crossover method to 1. I have set the barrier tolerance to 0.0 and optimality ...