atan
Inverse tangent in radians
Syntax
Description
Y = atan(
returns the Inverse Tangent
(tan-1) of the elements of X
)X
in radians.
The function accepts both real and complex inputs.
For real values of
X
,atan(X)
returns values in the interval [-π/2, π/2].For complex values of
X
,atan(X)
returns complex values.