- #1
Tio Barnabe
I'd like to show why a 3-vector ##v## transforming using a quartenion ##q## must transform as ##v' = q^{-1}vq##.
I tried showing that ##v^{\dagger}v = v'^{\ \dagger}v'## as long as ##v'## is given by the above transformation, whereas ##v' = qv## doesn't transform such that the inner product is invariant. However, this "proof" doesn't work.
I tried showing that ##v^{\dagger}v = v'^{\ \dagger}v'## as long as ##v'## is given by the above transformation, whereas ##v' = qv## doesn't transform such that the inner product is invariant. However, this "proof" doesn't work.