David Torres Sanchez

Hi, You may have to edit the \(\texttt{Makefile}\) in the installation \(\texttt{src/build/}\) directory to compile using the same compiler that you are using here. The instructions in the Makefile...

Hi Joschua, In that case, this might be an old bug in 9.1.1 that has been fixed with the later versions. Can you check using another solver?If not, I can take a look if you can share the MPS file (...

Hi Joschua, Could you try the latest version (v11.0.0 now)? Cheers, David

Hi Dan, It's a good thing that you didn't overwrite the license! Before rerunning the command, you can set the system environment variable \(\texttt{set GRB_LICENSE_FILE=client.lic}\).This will cre...

Hi Tim, Good to hear about some good improvements for you! Shouln't Gurobi be able to do this step by itself and set the Big M value accordingly to minimize the number of SOS constraints? Particul...

Hi Fábio, This error is from Pyomo. Could you try the following, using the latest version of Pyomo: with SolverFactory('gurobi', solver_io='python', manage_env=True) as opt:    opt.solve(model) fro...

Hi Lizheng, We do not have any specific references regarding our implementation. There are, however, some recent papers on this topic where you can find details of state-of-the-art implementations ...

Yes. Please try this. Cheers, David

Hi, It seems that crossover is taking a long time. Do you need a basic solution? If not you can try disabling Crossover by setting the parameter to 0. Otherwise, you might want to set: Quad = 1; ...

Hi, If you can't get a larger machine, check out the suggestions here: How do I avoid an out-of-memory condition? Cheers, David