I am a newbie investigating the migration from python(sympy) to Mathematica. I have looked through the quaternion documentation and cannot find any functionality equivalent to inverse or point rotation (rotate_point in sympy). I can't find any information on the web, what are you guys doing?

Is there any way to explicitly handle the unit quaternion for the rotation? Not clear to me what you mean. Please explain a bit more. Also how can I get the components of the inverse quaternion? Use `Conjugate[q]` if the quaternion is symbolic, otherwise you can also use `q^-1` Note also that the standard package does not handle symbolic quaternions

Not clear to me what you mean. Please explain a bit more. Sorry. My understanding and explanation was not clear enough. For example, Julia's library rotation.jl has a QuatRotation that represents a unit quaternion. Since your package is 3D rotation oriented, I was wondering if you have such a mechanism. Use Conjugate[q] if the quaternion is symbolic, otherwise you can also use q^-1 I got it! Note also that the standard package does not handle symbolic quaternions Oh,really? I had not considered that some mathematica packages do not support symbolic processing. There is a description of quaternion on this page, but does it not support symbolic processing?

For example, Julia's library rotation.jl has a QuatRotation that represents a unit quaternion. Since your package is 3D rotation oriented, I was wondering if you have such a mechanism. The function that converts a quaternion to explicit rotation parameters is `quatToFromθV[quat]`. Numeric input will be normalized, while symbolic input is assumed to be normalized.

Point rotation in Quaternion?