Sunday, February 19, 2012

Plane Curves: Tschirnhausen cubic (polar)

Tschirnhausen cubic (polar)

Tschirnhaus's cubic is the negative pedal of a parabola with respect to the focus of the parabola. The caustic of Tschirnhaus's cubic where the radiant point is the pole is Neile's parabola.

Get copyable formulas for Tschirnhausen cubic (polar) from Differential Geometry Library (MathML, TeX, Mathematica input, Maple input)

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