MathGroup Archive: June 1992 [00022]

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Quaternions etc.

To: mathgroup at yoda.physics.unc.edu
Subject: Quaternions etc.
From: JWENDEL at isdmnl.wr.usgs.gov
Date: Fri, 5 Jun 1992 10:32:01 -0700 (PDT)

How can I use NonCommutativeMultiply to define quaternions and other 
algebraic objects, e.g. groups?  It would be wasteful, wouldn't it, to
use the well-known matrix representations instead of NCM?

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