Xianbang Chen

Yes, please have a look at Posting to the Community Forum. Thanks for this. I will adjust my way for posting a good question. Did you try Gurobi's parameter tuning tool? Not yet, but I just rea...

Hi Jaromił, I have attached the mps file on https://www.filemail.com/d/kluiopckxswcvir  Could you share any suggestions with me?

Hi, is it possible to upload a LP file? Seems only image is allowed.

Hi Jaromił, Thanks for your suggestion. I adjusted my constraints and some coefficients, and then the problem is solved. Best regards, Xianbang

Hello Slike, I would like to highly appreciate your suggestion. Both the solution time and the root relaxation time improves significantly. Could you please suggest me more potential parameter for ...

Dear Sabreen, Hello, I guess you are trying to export a compact formulation like A_1*x=b_1 & A_2x<b_2, right? If so, you can export the model structure variable to get the matrix A_1, A_2, b_1, and...

Thanks, it is my pleasure.

Dear Jaromił, Thanks for your reply. The works of yours and your colleges make the community so cool. I have an idea to customize the variable with YALMIP (Even though it is more natural do this th...

Sorry, I forget to post the Facility problem's link. https://www.gurobi.com/documentation/9.0/examples/facility_m.html

Dear Jaromił, Thanks for the reply. According to my understanding, YALMIP's value is that it can complied the constraints and variables with its format to a format that can be accepted by solvers i...