Counters | NumPy | Python Methods and Functions

** **

** numpy.angle() ** is used when we want to calculate the angle of a complex argument. A complex number is represented as

` i = (-1) ^ 1/2 `

. The angle is calculated using the formula `tan-1(x/y).`

Syntax:numpy.angle (z, deg = 0)

Parameters:

z:[array_like] A complex number or sequence of complex numbers.

deg: [bool, optional] Return angle in degrees if True, radians if False (default).

Return:

angle: The counterclockwise angle from the positive real axis on the complex plane, with dtype as numpy.float64.

** Code # 1: Work **

` ` |

** Output: **

Input list: [2.0, 1j, (1 + 1j)] o utput angle in radians: [0. 1.57079633 0.78539816]

** Code # 2: Work **

` `

` ` ` # Program Python explaining `

` # numpy.angle () function `

` # when we want to respond in degrees `

` import `

` numpy as geek `

` in_list `

` = `

` [ `

` 2.0 `

`, `

` 1.0j `

`, `

` 1 `

` + `

` 1j `

`] `

` print `

` (`

`" Input list: "`

`, in_list) `

` `

` out_angle `

` = `

` geek.angle (in_list, deg `

` = `

` True `

`) `

` print `

` (`

`" output angle in degrees: "`

`, out_angle ) `

** Output: **

Input list: [2.0, 1j, (1 + 1j)] output angle in degrees: [0. 90. 45.]

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