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RDF Terms

Radial Distance

In classical geometry, the "Radial Distance" is a coordinate in polar coordinate systems (r, \(\theta\)). Basically the radial distance is the scalar Euclidean distance between a point and the origin of the system of coordinates.

http://en.wikipedia.org/wiki/Radial_distance_(geometry)

http://www.iso.org/iso/catalogue_detail?csnumber=43012

\(d = \sqrt{r_1^2 + r_2^2 -2r_1r_2\cos{(\theta_1 - \theta_2)}}\), where \(P_1\) and \(P_2\) are two points with polar coordinates \((r_1, \theta_1)\) and \((r_2, \theta_2)\), respectively, and \(d\) is the distance.

\(r_Q, \rho\)