How to get norm (magnitude) of a vector the simple way?
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I just want to get the norm of
syms phi the;
c = [-cos(phi)*sin(the)^2;-sin(phi)*sin(the)^2; - cos(the)*sin(the)*cos(phi)^2 - cos(the)*sin(the)*sin(phi)^2]
norm(c,2)
isn't really simplifying anything
If I type it manually:
simplify(sqrt(cos(phi)^2*sin(the)^4+sin(phi)^2*sin(the)^4+sin(the)^2*cos(the)^2))
I get a simple answere:
(sin(the)^2)^(1/2)
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