Nan D
- Total activity 23
- Last activity
- Member since
- Following 0 users
- Followed by 0 users
- Votes 4
- Subscriptions 7
Posts
Recent activity by Nan D-
Gurobi logtools Python package
AnsweredHi!I just came across the open-source package “gurobi-logtools” that was made by the Gurobi support team. It seems like it’s the exact thing I am looking for. However, in the tech talk a question i...
-
Running multiple (unrelated) LP models
AnsweredHi, I would like to run multiple LP models automatically one after the other in Python (so not parallel). I will use a for loop for this and thus create a new LP model and solve it in each iteratio...
-
Gurobi Python lower bound not printed
AnsweredHi! I’m using Gurobi in combination with Python. My model contains several variables that have a lower bound of zero. I added these by using the lb=0 parameter to the addVars() method (although I k...
-
Worst-case complexity non-convex model
AnsweredHi, I’m solving a non-convex quadratic problem with Gurobi and I was wondering what the worst-case complexity is. Is it exponential (i.e. O(2^n))? Thank you!
-
Python quicksum() versus sum()
AnsweredHi! I have a question about the Gurobi documentation of Pythons quicksum(). It says: “a version of the Python sum function that is much more efficient for building large Gurobi expressions”. Does t...
-
Quadratic equality constraints Python
AnsweredI am implementing a model in Gurobi, and I noticed that quadratic equality constraints are automatically cast to quadratic inequality constraints by Gurobi. However, I need quadratic equality const...