Alexander Paskov
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Alexander Paskovさんが投稿を作成しました:
Iterating over Non-Zero variables
回答済みI have an LP (in standard form Ax=b, x>=0) with around 1 million decision variables, of which only about 1000 will be non-zero. After optimizing, is it possible to directly iterate over those non-z...
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Alexander Paskovさんが投稿を作成しました:
Exploiting Integer Objective and Identical Feasible Regions across Problems
回答済みHi, I have a MIP that takes the following form Where f(x) is some linear, function of the x-matrix. I have 2 questions: 1) I need to quickly get an upper bound for this problem for every i in {1,...
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Alexander Paskovさんがコメントを作成しました:
Thank you for the response! I can't seem to upload the LP file here (only jpeg, gif, or png are allowed), so here is a screenshot of the model.lp file itself: The values are as follows: P = [0.1553...
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Alexander Paskovさんが投稿を作成しました:
Presolve Yields sub-Optimal Result (Bug tied to GenConstraint?)
回答済みI'm solving the problem I've gone through the forums and implemented it in Python as such However, as shown in the following log, the pre-solve yields a sub-Optimal result. Is this possibly a...