How do you compute the curvature of a polygonal curve?
— Keenan Crane (@keenanisalive) January 21, 2022
The "textbook definition" gives a pretty useless answer: zero along edges; undefined at vertices!
In this #DDG2022 video we consider four alternative definitions, and explore their trade offs: https://t.co/xXIMFLXfKe pic.twitter.com/6xo3trODMu