Jonathan Ayala Marcelo
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Jonathan Ayala Marceloさんの最近のアクティビティ-
Jonathan Ayala Marceloさんがコメントを作成しました:
Hi Maliheh, Thanks for your answer. About question 3, I guess that a QP relaxation just could take excessive long time in the presence of numerical issues, in which case the node processing would b...
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Jonathan Ayala Marceloさんが投稿を作成しました:
MIP Performance based on simplex and barrier
回答済みHi!I am working with a MIQP problem and I notice some notable differences when the solution process performs with dual simplex and barrier algorithms. For example, in the root the barrier performs ...
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Jonathan Ayala Marceloさんが投稿を作成しました:
What means "Warning: 1 variables dropped from basis"
回答済みHi! I would like to know what means the warning "1 variables dropped from basis". I know that is a symptom that my model have numerical issues, but I would like to know what is happening in the sol...
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Jonathan Ayala Marceloさんが投稿を作成しました:
Setting a a given precision (of decimal places) for a variable
回答済みHi! I have a positive variable (Iq) in my model that need to have a precision of 8 decimal places. So, I though than doing 100*I >=0 could help (since the constraint tolerance is 1e-6), but the res...
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Jonathan Ayala Marceloさんが投稿を作成しました:
Issues with outlev and logfile in Gurobi version 10.0.1
回答済みHi, I tried to solve a MISOCP problem formulated in AMPL with the recent version of gurobi (10.0.1), but when I set "outlev=1" the optimization progress does not appear. Then, I added the setting "...