MathGroup Archive 1996

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Dual number algebra

Dear all,

I am looking for an implementation of dual number algebra, i.e. the
algebra of the numbers x + i y with the dual unit i with the property

We are working on the 3D kinematics of the human knee joint and apply
dual quaternion algebra. It would be nice and time-saving if there was a
Mathematica package already available.



     Stefan Schreiber                       University of Darmstadt
                                            Institute of Mechanics I
  voice: +49 6151 16 2286                   Hochschulstrasse 1
    Fax: +49 6151 16 6869                   D-64289 Darmstadt, Germany
 e-mail: s.schreiber at


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