How to solve a set of equations?

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tabw
tabw le 11 Sep 2014
Commenté : tabw le 11 Sep 2014
[ cos(phi)*cos(theta), -sin(theta), -cos(theta)*sin(phi)]= 1
[ cos(phi)*sin(theta), cos(theta), -sin(phi)*sin(theta)]=0
[ sin(phi), 0, cos(phi)]=0
How to solve the phi and theta?
I tried A\B, it seems don't work.
Thanks,
  2 commentaires
Roger Stafford
Roger Stafford le 11 Sep 2014
Modifié(e) : Roger Stafford le 11 Sep 2014
As you have posed it, your question does not make sense. You are setting three-element row vectors equal to scalars. What are the actual equations you are trying to solve? There are two unknowns, so presumably you have two equations in mind.
tabw
tabw le 11 Sep 2014
Actually, I have a vector i,j,k. I want to multiply it with a rotational matrix to make the vector align with one of the three axis(x,y,z)

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