Some features in Gurobi Python interface

In order to provide a better modeling experience, Gurobi provides a few tailored objects and functions for building up optimization models. This post is a quick review of them. Gurobi tuplelist This is a subclass of list to store lists of tuples, for example: select is a very efficient way to select elements in a tuplelist….

OpenSolver—A free optimizer for Excel

OpenSolver is free and open source software for Excel without any annoying limits on problem size. This kind of software makes me think of What’s Best. It is good for undergraduate’s hands-on project for OR related classes at the very beginning stage. It also provides API for Excel VBA, awesome! Even exists a Google Sheets version!…