Robert Luce
- Total activity 58
- Last activity
- Member since
- Following 0 users
- Followed by 0 users
- Votes 1
- Subscriptions 25
Comments
Recent activity by Robert Luce-
Official comment Christian, in all versions 10.0.* and 11.0.0 you can use a list of strings as the 'name' argument for Model.addMConstr to give individual names per constraint. That's in line with the docstring of ...
-
Gurobi's barrier algorithms all follow the general predictor-corrector scheme, and any complexity bound on the number of Newton steps from an delta neighborhood of the central path to an epsilon ne...
-
Our package has some user-submitted code that depends upon functions deprecated or removed by gurobipy 10.x Maybe a better approach would be to adjust your code then? Can you point me at the ...
-
That said, the workaround should no longer be necessary starting in the next feature release after 9.1, where you will be able to just do m.chgCoeff(c[0], x[0], 5) This works because indexing an MV...
-
Hello José, unfortunately there isn't a shorthand for doing this in gurobipy yet, but I have taken note of your feature request in our development backlog. For now you will have to model the abso...
-
Hello Jonathan, as written by Eli there currently is no way to change coefficents w.r.t. an Mvar object, but I have registered this in our backlog of future improvements to the matrix-friendly API....
-
Hello Carlos, I have taken note of your request for an API to solve many small models in bulk. In order to understand the overhead problem you are facing a little better, it would be very valuable ...
-
Hello Griffin, I have created a feature request to deal with term collection and dropping zero terms in LinExpr objects. For sure such zero terms are disposed of some time before the actual optimi...
-
Hello Griffin, the bloat you are observing comes from the exponentially growing size of the symbolic representations of the linear expressions. Looking at your the example code (modified for brev...
-
Victor, without knowing the particular bottleneck you are encountering, it's difficult to give specific advice. Formulating constraints and objectives in terms of data matrices and MVar objects ...