otp.math.atn2#

atn2(y, x)#

Returns the principal value of inverse trigonometric function arctan of y/x.

Parameters:

y (int, float, decimal, Operation, Column)
x (int, float, decimal, Operation, Column)

Return type:

Operation

Examples

>>> data = otp.Tick(A=1)
>>> data['ATN2'] = otp.math.atn2(1, 1).round(4)  # should return pi/4 ~ 0.7854
>>> otp.run(data)
        Time  A    ATN2
0 2003-12-01  1  0.7854