Conchospiral

In mathematics, a conchospiral is a three-dimensional spiral. In cylindrical coordinates, it is described by the parametric equations:

r=\mu^t a
\theta=t
z=\mu^t c.

The projection of a conchospiral on the (r, θ)-plane is a logarithmic spiral.

External links

This article is issued from Wikipedia - version of the Thursday, March 14, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.