2 papers
stat.CO2018
Sampling on the sphere from
Richard Arnold
A method for drawing random samples of unit vectors in with density proportional to where is a symmetric, positive definite matrix. Includes an R function whi…
math.ST2017
Statistics of ambiguous rotations
R. Arnold, P. E. Jupp, H. Schaeben
The orientation of a rigid object can be described by a rotation that transforms it into a standard position. For a symmetrical object the rotation is known only up to multiplicati…