Atan

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Atan


Inverse tangent function



Syntax


Atan(x)

x is scalar

Return a scalar which is the inverse tangent function of x, where result is in radian unit


x is matrix

Return a matrix in which the element is the inverse tangent function of the element in x, where result is in radian unit


Examples


Input

Output

atan(1)

atan(1+i)

atan([1+i, 0, 1-i])

atan([-2.3, 1-3i; -2i, 5])


See Also


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