How to factor a matrix

[Zbyszek Otwinowski]

> Basically I have a rotation matrix and I wish to factor it into three matrixes of the form
(...)

> which will tell me the individual rotations about the X, Y, and Z
> axis.
> Is there a program that will do this easily?  How about a Mathematica script?

I have seeing countless number of such routines in crystallographic programs.
Virtually any crystallographic programs that deals with rotations has
such (or similar, for example giving 3 rotations around Z,Y,Z) routine.

-- 
  Zbyszek Otwinowski                     |        zbyszek at chop.swmed.edu
  University of Texas                    |        tel : (214)-648-5098 
  Southwestern Medical Center            |        fax : (214)-648-5095 
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