From: me22 (me22.ca_at_[hidden])
Date: 2006-06-10 19:42:09
On 6/10/06, Andy Little <andy_at_[hidden]> wrote:
> OK, but they are define a rotation in 3D space, do they not ?
My understanding is that a *unit* quaternion can be used to represent
a rotation in 3-space, but an arbitrary quaternion is 4D.
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