NumPy

numpy.imag

numpy.imag(val)[source]

Return the imaginary part of the complex argument.

Parameters
valarray_like

Input array.

Returns
outndarray or scalar

The imaginary component of the complex argument. If val is real, the type of val is used for the output. If val has complex elements, the returned type is float.

See also

real, angle, real_if_close

Examples

>>> a = np.array([1+2j, 3+4j, 5+6j])
>>> a.imag
array([2.,  4.,  6.])
>>> a.imag = np.array([8, 10, 12])
>>> a
array([1. +8.j,  3.+10.j,  5.+12.j])
>>> np.imag(1 + 1j)
1.0

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