cg
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Latest activity by cg-
cg commented,
Thank you for your reply, Jaromił. Yes, i use 1 thread per process. In the meantime, i think i found the issue: i had requested more licenses than available because i was running too many jobs at o...
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cg commented,
Dear Jaromił, i have a similar problem as Ghafour, i.e., many small LP's run in parallel using Python's multiprocessing library. My implementation follows the tutorial posted by Silke. It works fin...
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cg commented,
Thank you very much for your reply, Jaromił. I am looking forward to future releases. I'd think that making Gurobi more efficient for (matrix) norm minimization problems would help many people. C.
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cg commented,
Dear Jaromił, is there a way to set up the problem without creating auxiliary variables/constraints. For example, I tried m.setObjective(gp.abs_(z).vars.sum()), with z being an MVar object. The pro...
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cg commented,
Thank you both! I am looking forward to the new release but for the time being Eli's suggested work-around will do it too.
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cg commented,
Dear Robert and Eli, does this feature (change coefficients w.r.t. an Mvar object) already exist in the latest version of Gurobi (9.1)? Thank you! Chris.
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cg commented,
Thank you very much, Jaromił.
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cg commented,
Thank you for you reply, Jaromił! the dimension of B is about 300,000 x 10. It already takes a while to setup mVar(B) at least with the python api. Actually, your trick that involves creating B'B m...
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cg commented,
Dear Jaromił, I am trying to efficiently compute tr(A'B' B A) where B is a dense (large) matrix with gurobi variables as in the example by Sagnik and A is a numpy matrix (array). Do you have an ide...