Che Han Lim
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Activity overview
Latest activity by Che Han Lim-
Che Han Lim commented,
Dear Eli, As gamma and selection are variables with 3-tuple indices, may I confirm if that is the reason why both are not being read? If so, I would ask if there is any way to ensure that the entir...
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Che Han Lim commented,
Dear Eli, It worked after I switched the opt object to invoke 'gurobi_direct.py'. opt = SolverFactory('gurobi_direct') I guess it was pointing to the wrong file previously when I merely used opt =...
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Che Han Lim commented,
I installed it via the standard anaconda prompt window. I have also used the print() function to print out the option, but nothing came out except for the error message. Thank you. if key.lower() =...
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Che Han Lim commented,
Dear Eli, thank you for your help. Unfortunately, it does not seem to be working as pyomo still returns the prior error messages regarding the missing parameters.
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Che Han Lim created a post,
Setting up Branching Priority for GUROBI in Pyomo (Attention: Richard from OR Stackexchange)
AnsweredWith reference to our prior conversation (https://support.gurobi.com/hc/en-us/community/posts/4402982080785-Setting-up-Branching-Priority-for-GUROBI-in-Pyomo-Attention-RIchard-from-OR-Stackexchange...
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Che Han Lim commented,
Dear Richard, The appended code should be as follows: Thank you. Yours sincerely, Mike except TypeError: if key == "InputFile": self._solver_model.read(option) ...
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Che Han Lim commented,
Dear Richard, Please find below the full code with comments on top, alongside the appended code at the bottom. It seems that there is no mention of support for the 'InputFile' Option. Thank you. Y...
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Che Han Lim commented,
Dear Richard, I have just attempted what you advised, but Pyomo is still unable to pick the ord file. I have also check this site (https://www.gurobi.com/documentation/9.1/refman/inputfile.html) w...
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Che Han Lim commented,
Dear Richard, Let me try it and get back to you should I encounter any problems though I am still leery about modifying the pyomo source code. Thank you. Yours sincerely, Mike
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Che Han Lim created a post,
Setting up Branching Priority for GUROBI in Pyomo (Attention: RIchard from OR Stackexchange)
AnsweredDear Richard, Kindly refer to the post in OR Stackexchange. (https://or.stackexchange.com/questions/6263/setting-up-branching-priority-for-gurobi-in-pyomo/6267?noredirect=1#comment13548_6267) I am ...