Gwyneth Butera

The MPS file format does not indicate whether the objective should be maximized or minimized. Solvers may interpret this lack of an objective sense differently. By default, Gurobi assumes the objec...

While it's uncommon, the model-building phase can occasionally become a bottleneck in the process. When this happens, it's a good practice to start by profiling your model-building code to identify...

As of May 2025, Gurobi version 12.0.2 is officially released! Please download this newest major release from the Download Center on our website. Further information Download the latest version of G...

While running your optimization, you may get an error that looks like:License expired 2025-11-24orRestricted license - for non-production use only - expires 2025-11-24If the error suggests that you...

In Gurobi, model modification is performed in a lazy fashion, meaning that modifications don't affect the model immediately. Rather, the changes are queued and applied later. If your program simply...

In order to provide a gentle introduction to our interfaces, the examples so far have demonstrated only very basic capabilities. We will now attempt to demonstrate some of the power of our Python i...

Previous: Coins Tutorial: The Model FileThe final step in solving our optimization problem is to pass the model to the Gurobi Optimizer. We'll use the Gurobi command-line interface, as it is typica...

To obtain a Named-User Gurobi license key file for your computer, you'll need to run the grbgetkey command on your machine to retrieve your Gurobi license key file from the Gurobi User Portal.The e...

Badges allow us to recognize your important contributions to the Gurobi Community Forum.  You will receive badges for insightful questions, thoughtful responses, and each Gurobi-versary (years in o...

The current status of a token server, as well as a list of the clients that are currently using tokens, can be requested from a client machine via the command line:$ gurobi_cl --tokensExample outpu...