atan

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Compute the inverse tangent of the argument. The function is applied element-wise and the result has always the same type as the argument x. The values of the result are in the range -pi .. pi.


Usage 1
atan(x)
x
a scalar, vector or matrix
Result
The inverse tangent of x.

Usage 2
atan(y, x)
x
a scalar, vector or matrix
y
must have the same type as x
Result
The inverse tangent of y / x. This function can be used to compute the phase

See also
asin, cos, tan, cr2p, cr2phi

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