Albert John Crosby
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Albert John Crosbyさんが投稿を作成しました:
Minimization with constraint involving logs in Julia
回答済みI want to solve \(\frac{1}{N} \sum_{i=1}^N x_i^2\) subject to \(\frac{1}{N} \sum_{i=1}^N \log x_i \geq 0\). In the above, N is the size of the vector x whose \(i^{th}\) element is \(x_i\). I think...
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Albert John Crosbyさんが投稿を作成しました:
Solving MILP optimization problem efficiently for slightly different parameter values
回答済みI would to solve a (series of) MILP using Gurobi with the following feature. Some of the choice variables, call them varx, a vector of size N_ch, satisfy the constraintsfor int1 = 1:N_ch varx[int1...
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Albert John Crosbyさんがコメントを作成しました:
One further point: I can make the code run more robustly by inserting the variable declaration (the "beta" β is the name of one of the variables): @variable(model, -1.0e200 <= β[1:nfac] <= 1....
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Albert John Crosbyさんがコメントを作成しました:
On my laptop: Pkg.status()Project FactorModels v0.1.0Status `C:\Users\ajcrosby\Documents\GitHub\FactorModels\Project.toml` [336ed68f] CSV v0.10.11 [a93c6f00] DataFrames v1.6.1 [8bb1440f] Delimi...
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Albert John Crosbyさんがコメントを作成しました:
From where do I run Pkg.status()? When I run it from the Julia prompt, I get Pkg not defined. If I do versioninfo(), I get (on my laptop) Julia Version 1.9.3Commit bed2cd540a (2023-08-24 14:43 UTC...
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Albert John Crosbyさんが投稿を作成しました:
SOS constraints in Gurobi with Julia
回答済みI have successfully used Gurobi in some code written in Julia to solve an optimization problem (MILP and MIQP). The code works perfectly on my laptop. When I port the identical code to Linus and ru...