Re: Solve & RotationMatrix

*To*: mathgroup at smc.vnet.net*Subject*: [mg76019] Re: Solve & RotationMatrix*From*: Mathieu G <ellocomateo at free.fr>*Date*: Tue, 15 May 2007 04:43:22 -0400 (EDT)*References*: <f21g0q$7d6$1@smc.vnet.net> <f23qq6$oa3$1@smc.vnet.net> <f29bf2$pgm$1@smc.vnet.net>

Mathieu G a =E9crit : > 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=