Vida Yousefinezhad
- Total activity 27
- Last activity
- Member since
- Following 0 users
- Followed by 0 users
- Votes 0
- Subscriptions 7
Activity overview
Latest activity by Vida Yousefinezhad-
Vida Yousefinezhad commented,
Hi Riley, Thank you for your time. I will go through them. - Vida
-
Vida Yousefinezhad commented,
Hi Riley, Thank you for your comment and apologize for my late response. Regarding your first question, no, they do not produce the same objective function within a predetermined time limit (e.g.,...
-
Vida Yousefinezhad created a post,
Mixed integer programming
AnsweredHello everyone. I am solving a mixed integer programming model in Python with Gurobi package. Recently, I came across sth that is not logical to me. I have continuous and binary decision variables....
-
Vida Yousefinezhad commented,
Hi Riley, Thank you so much for your reply. Regards, Vida
-
Vida Yousefinezhad created a post,
I'm encountering "The kernel appears to have died. It will restart automatically" error while solving an MIP model
AnsweredI am trying to solve a large scale MIP model in web-based Jupyter notebook environment. After about 12 hours the error appeared. Also, the solving process is very slow and it seems too long (e.g., ...
-
Vida Yousefinezhad commented,
Thanks for your reply. How do they help reduce the process time? I read on your website, and I think your suggestion focuses on presolve not on the branch and bound. Could you please give me some d...
-
Vida Yousefinezhad commented,
Hi David, I have to set some parameters for Gurobi because otherwise, the process becomes much more time-consuming. Let me show you a small part of the log with the default settings in the followin...
-
Vida Yousefinezhad created a post,
taking too long from 0.08% Gap to 0% while solving a MIP in Python with Gurobi package
OngoingI am solving a MIP problem in Python. The solving process with branch and bound proceeds very fast at the beginning, but when the optimality gap reaches 0.08% the opposite happens. I mean from 0.08...
-
Vida Yousefinezhad commented,
Hi Jaromil, Thank you for your response. Could you please guide me on using cloud machine service? I am using Python. Now, I am using the following CPU on another machine, but I am not sure if it w...
-
Vida Yousefinezhad commented,
Hi Jaromil, Thanks for your comment and sorry for my late response. I have to change my machine. Could you please guide me on choosing the best machine that suits my optimization problem? Regards...