#### Previous topic

numpy.isposinf

#### Next topic

numpy.iscomplexobj

# numpy.iscomplex

`numpy.``iscomplex`(x)

  Returns a bool array, where True if input element is complex.

  What is tested is whether the input has a non-zero imaginary part, not if the input type is complex.

  Parameters : | x : array_like Input array.
  Returns : | out : ndarray of bools Output array.

  See also

  `isreal`

  `iscomplexobj`
    Return True if x is a complex type or an array of complex numbers.

  Examples

      >>> np.iscomplex([1+1j, 1+0j, 4.5, 3, 2, 2j])
      array([ True, False, False, False, False,  True], dtype=bool)