otp.math.atan#

atan(value)#

Returns the value of inverse trigonometric function arctan.

Parameters: value (int, float, Operation, Column) –
Return type: Operation

Examples

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

otp.math.arctan() is the alias for otp.math.atan():

>>> data = otp.Tick(A=1)
>>> data['ATAN'] = otp.math.arctan(1).round(4)
>>> otp.run(data)
        Time  A    ATAN
0 2003-12-01  1  0.7854