Borrar filtros
Borrar filtros

rotation matrix between two coordinate systems matlab

42 visualizaciones (últimos 30 días)
ha ha
ha ha el 14 de Sept. de 2017
Editada: ha ha el 20 de Sept. de 2017
I have a coordinate system A
Example: 3 principal vector direction of system A are:
e0= [0.3898 -0.0910 0.9164]
e1= [0.6392 0.7431 -0.1981]
e2= [-0.6629 0.6630 0.3478]
And, I have a cartesian coordinate system B with three unit vector
nx=[1 0 0]
ny=[0 1 0]
nz=[0 0 1]
How can i find transformation matrix between two coordinate systems A & B ?
  2 comentarios
Güinther SAIBRO
Güinther SAIBRO el 14 de Sept. de 2017
Editada: Güinther SAIBRO el 14 de Sept. de 2017
I didn't understand why do you need the last space vectors with you already have the transformation matrix.
If you are trying to do a space transformation from R^n to R^m you just need a m x n matrix and to multiply this matrix to a column vector in R^n.
In your case, you can write:
A= [0.3898 -0.0910 0.9164; 0.6392 0.7431 -0.1981; -0.6629 0.6630 0.3478];
P = [ [x'1;y'1;z'1] [x'2;y'2;z'2] ... ] % The idea is that you need column vectors of x,y and z.
and just P_R3 = A*P;
I believe that this can solve your problem.
ha ha
ha ha el 16 de Sept. de 2017
sorry. Please see "edit question"

Iniciar sesión para comentar.

Respuesta aceptada

Jan
Jan el 16 de Sept. de 2017
E = [e0; e1; e2]
is the transformation matrix already for the rotation. There seems to be a translation of the origin in addition, such that you need to add this vector afterwards also.
  1 comentario
ha ha
ha ha el 20 de Sept. de 2017
Editada: ha ha el 20 de Sept. de 2017
i think my question is not clear. Please see my new question:
https://jp.mathworks.com/matlabcentral/answers/357494-how-to-find-rotation-matrix-from-vector-to-another

Iniciar sesión para comentar.

Más respuestas (0)

Categorías

Más información sobre 線形代数 en Help Center y File Exchange.

Etiquetas

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!