RE: [Algorithms] Quaternions in IK

[Robert D. <RD...@ac...>]

> In the rotation group SO(3), how can one characterize a maximal
> neighborhood of the identity that has a unique analytic Euler
> angle parametrization?

My days of really understanding mathematical phraseology are long past I'm
afraid, but surely there is no case which has a unique Euler representation,
given that even the identity matrix has two representations in any given
axis sequence.

Rob