Thomas Leveringhaus
- Total activity 64
- Last activity
- Member since
- Following 0 users
- Followed by 0 users
- Votes 1
- Subscriptions 19
Comments
Votes on activity by Thomas Leveringhaus-
Thanks, that works :-)
-
Hi Jaromil, thanks for your answer. Maybe that already answers my question, but I am not totally sure. I think of three statuses, a constraint can have: active, inactive & lazy. If a constraint sta...
-
Hi Riley, addGenContrPow is an interesting option. I knew it existed, but it didn't come to my mind to use it for my specific problem ... As far as I know, Gurobi internaly uses some kind of piecew...
-
Hi Riley, thank you very much for your answer - your suggestion is an interesting "modeling trick" to me. It also gave me another idea to reduce the number of constraints. What do you think about t...
-
Hi Jaromił, I see the obvious tradeoff between reducing the model size and not getting information from lazy bounds or constraints. FYI:I have huge sets of constraints to prevent islanding in an Op...
-
Hi whwhwh55,besides the official gurobi articels I don't have additional guidance: Lazy constraints:https://support.gurobi.com/hc/en-us/articles/360013197972https://www.gurobi.com/documentation/10....
-
Reading this topic, it came to my mind that lazy constraints or the partition heuristic might help address the problem?
-
Hi Riley, thank you very much for your detailed answer! Your explanations opened my eyes to further details and interesting possibilities! I like precision a lot so I would like to thank you for cl...
-
Hi Jaromił Najman, thank you very much for your answer, which is still helpfull for me. As far as I know, there is no way to control which variables survive the presolve process, so I can't predifi...
-
Dear Jaromił, thank you very much for your replies. The background of my question regarding PreQLinearize is the following:I have to solve a MI-QCQP. So I have my variable vector x consisting of bi...