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MathGroup Archive 2007

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Re: Solve & RotationMatrix

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76002] Re: Solve & RotationMatrix
  • From: Mathieu G <ellocomateo at free.fr>
  • Date: Mon, 14 May 2007 05:49:33 -0400 (EDT)
  • References: <f21g0q$7d6$1@smc.vnet.net> <f23qq6$oa3$1@smc.vnet.net>

CKWong.P at gmail.com a =E9crit :
> Obviously, you need to provide the function RotationMatrix[ angle,
> axisVector ] for the algorithm to work.
>
> On the other hand, matrices for rotations about the Cartesian axes,
> i.e., RotX,RotY, & RotZ, can be written done directly.  Why not do so?
>
>
Hi,
Thank you for your reply.
I am not interested in a simple rotation matrix around an axis, but in
finding the angles corresponding to a 3D rotation matrix.
I compute VectN which is the vector normal to my surface, and I am
interested in getting the rotation parameters that bring VectY to VectN.
Regards,
Mathieu


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