There is a free version of Xming available at this URL:
(1) You need to have two programs to be able to run Matlab remotely: Be sure you are on a reliable broadband connection. If you need to display graphical results, here's how to run Matlab remotely. Matlab can also be run in text mode from the command line on any COE Unix/Linux machine if you don't need to display graphics. You can use your home computer or laptop to run Matlab in graphical mode remotely on a COE machine! 1 Using Matlab from your home PC or laptop.
