
Distance between two curves
Nick Trefethen, November 2022

Polynomial level curve of constant width
Nick Trefethen, May 2022

Overlap of two circles
Nick Trefethen, May 2016

Rose curves
Hrothgar, June 2014

The volume of a torus, a heart, and a seashell
Rodrigo Platte, April 2013

Parametric surfaces
Rodrigo Platte, March 2013.

Rounding corners by convolution
Nick Trefethen, November 2012

An ellipse rolling around another ellipse
Nick Trefethen, October 2011

Procrustes shape analysis
Alex Townsend, August 2011

Perimeter of an ellipse
Nick Hale and Nick Trefethen, December 2010

Lissajous curves
Nick Trefethen, October 2010

Area and centroid of a 2D region
Stefan Guettel, October 2010