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From: keith on 13 Apr 2010 18:00 I was vague in my last question and I am very sorry about that, what I wanted to do was to take this formula: http://en.wikipedia.org/wiki/Rodrigues%27_rotation_formula and substitute z.v and zxv with z.v = (z*v + v*z) / (-2) zxv = (z*v - v*z) / 2 , where z and v are now pure quaternions and somehow obtain the Hamilton-Cayley formula v' = z*v*z^(-1). Is this possible? I cant do it. |