The catacaustic of a logarithmic spiral, where the origin is taken as the radiant
point, is another logarithmic spiral. For
an original spiral with parametric equations
the catacaustic with radiant point at the origin
is
See also
Catacaustic,
Logarithmic
Spiral
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References
Lawrence, J. D. A Catalog of Special Plane Curves. New York: Dover, p. 207, 1972.Referenced
on Wolfram|Alpha
Logarithmic Spiral Catacaustic
Cite this as:
Weisstein, Eric W. "Logarithmic Spiral Catacaustic."
From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LogarithmicSpiralCatacaustic.html
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