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I want to calculate the angle between 2 vectors V = [Vx Vy Vz] and B = [Bx By Bz].
is this formula correct?
VdotB = (Vx*Bx + Vy*By + Vz*Bz)
Angle = acosd (VdotB / norm(V)*norm(B))
and is there any other way to calculate it?
My question is not for normalizing the vectors or make it easier. I am asking about how to get the angle between this two vectors
210
angle takes a complex number z = x + iy and uses the atan2 function to compute the angle between the positive x-axis and a ray from the origin to the point (x,y) in the xy-plane.
Based on this link, this seems to be the most stable solution:
atan2(norm(cross(a,b)), dot(a,b))
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