avectors | R Documentation |
This function returns the angle (in radians) between two vectors. The vectors can be of any dimension.
avectors(u, v)
u |
a vector |
v |
a vector |
the angle (in radians) between the two input vectors.
Aaron Olsen
## THE ANGLE BETWEEN TWO 2D, ORTHOGONAL VECTORS ## VALUE IS EQUAL TO asin(1/sqrt(2)) u <- c(0, 1) v <- c(1, 0) avectors(u, v) ## THE ANGLE BETWEEN TWO 3D VECTORS ## VALUE IS EQUAL TO asin(sqrt(2)/sqrt(3)) u <- c(1, 1, 1) v <- c(0, 1, 0) avectors(u, v)
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