Lamé's special quartic

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Lamé's special quartic is the graph of the equation

x 4 + y 4 = a 4

where $a > 0$ . It looks like a rounded square with "sides" of length $2 a$ and centered on the origin. This curve is a special case of a super ellipse.

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This page was last modified 14:25, 12 December 2006 by Wikipedia user Gene Nygaard. Based on work by Wikipedia user(s) Mets501, Tedernst, Oleg Alexandrov, FreplySpang, JWWalker, MathMartin and Agro r and Anonymous user(s) of Wikipedia.
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Lamé's special quartic

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