In this video, we describe how, thirty years later, we recreated a historically significant rendering of a vibrating L-Shaped Membrane in MATLAB 3.5, running on a 1987 Ardent Titan Graphics Supercomputer (TITAN-MATLAB).

Cleve Moler's blog posts on the Titan can be found here: and

A special challenge was to properly capture the video output of the Titan; the following short video details the problem and the solution we found: