Visualizing Rotation
In general, $3 \times 3$ matrix has $9$ parameters, so it's hard to visualize a matrix as a point. However, the Lie group $SO(3)$ and $SU(2)$ are $3$-dimensional space, and it is able to visualize its element as a point in our $3$-dimensional space.
using MRP
(TBW)
using RodriguesParam
(TBW)
using RotationVec
(TBW)