Gwyneth Butera

Affected versions: Gurobi v9.1.0Fixed in version: Gurobi v9.1.1IssueIn Gurobi 9.1.0, there is an issue with the handling of pre-specified user cuts that are >= inequalities.These inequalities are m...

There are two ways to implement lazy constraints for a MIP model.  If the constraints can be enumerated upfront, set the Lazy attribute on the constraints that should be treated as lazy. If the con...

The error GurobiError: Too many sessions, X active sessions for a baseline of Yoccurs when you have exceeded your WLS (Web License Service) license's baseline number of sessions for an extended per...

This section will work through a simple example in order to illustrate the use of the Gurobi .NET API. The example builds a simple Mixed Integer Programming model, optimizes it, and outputs the opt...

The errorsUnable to open Gurobi license file 'C:\gurobi\gurobi.lic' Unable to open Gurobi license file '/Library/gurobi1303/gurobi.licare most likely caused by Gurobi environment variables that are...

The error message "No Gurobi license found" is displayed when Gurobi cannot find a gurobi.lic license file.Using a license fileIf you already have a Gurobi license (academic or commercial), please ...

We do not renew expired free Online Course or free "self-serve" Academic Named-User licenses.However, you can simply request and set up a new license to continue to use Gurobi: How do I obtain a fr...

No, constraints that are only valid for the current (local) subtree of the branch-and-bound tree cannot be added inside a callback. You can only add globally valid constraints. Further information ...

This section will work through a simple example in order to illustrate the use of the Gurobi MATLAB API. The example builds a simple Mixed Integer Programming model, solves it, and prints the optim...

To request the renewal of an Educational Institution Site license (also known as an academic site or floating or token license), please have your system administrator submit a support request via G...