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Polynomial level curve of constant width
Nick Trefethen, May 2022
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Overlap of two circles
Nick Trefethen, May 2016
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Rose curves
Hrothgar, June 2014
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The volume of a torus, a heart, and a seashell
Rodrigo Platte, April 2013
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Parametric surfaces
Rodrigo Platte, March 2013.
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Rounding corners by convolution
Nick Trefethen, November 2012
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An ellipse rolling around another ellipse
Nick Trefethen, October 2011
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Procrustes shape analysis
Alex Townsend, August 2011
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Perimeter of an ellipse
Nick Hale and Nick Trefethen, December 2010
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Lissajous curves
Nick Trefethen, October 2010
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Area and centroid of a 2D region
Stefan Guettel, October 2010