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Find the angle between two points in 3D plot.

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Ali Raza
Ali Raza 2019-8-22
评论： Henry Ukwu 2020-4-17
Untitled-1.png
How can we find the angle between two points in 3D plot along y-axis?

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Bruno Luong
Bruno Luong 2019-8-22
if the 3D (x-y-z) coordinates of your two points are P1 and P2, both are (3 x 1) or (1 x 3) vectors
angleradian = acos((P2(2)-P1(2)) / norm(P2-P1))
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Henry Ukwu
Henry Ukwu 2020-4-17
can i get the angle between the two points in 3D space when projected on xy plane ?

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