# numpy.iscomplex () in Python

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numpy.iscomplex (array): test element by element whether it is a complex number or not (not infinity or not a number) and returns the result as a logical array.
Parameters:

`  array:  [array_like] Input array whose element we want to test `

Return:

` boolean array containing the result `

Code 1:

` `

` # Python program illustrating # numpy.iscomplex () method    import numpy as geek    print ( "Is Complex:" , geek.iscomplex ([ 1 + 1j , 1 + 0j ]), "" )   print ( "Is Complex:" , geek.iscomplex ([ 0 + 1j , 0 ]), "" ) `

Output:

` Is Complex: [ True False] Is Complex: [True False] `

Code 2:

` `

` # Python program illustrating # numpy.iscomplex () method  < / p> import numpy as geek    # Returns True / False for each element a = geek.arange ( 20 ) .reshape ( 5 , 4 ) print ( "Is complex:" , geek.iscomplex (a))   # Returns True / False value as ANS # because we mentioned dtpe at the beginning b = geek.arange ( 20 ). reshape ( 5 , 4 ). Dtype = complex   print ( "" , b) print ( "Is complex:" , geek.iscomplex (b))     b = [[[ 1j ],  [ 3 ]] print ( "Is complex:" , geek.iscomplex (b)) `

` `

Output:

` Is complex: [[False False False False] [False False False False] [False False False False] [False False False False] [False False False False]] Is complex: False Is complex: [[True] [False]] `

Notes:
These codes will not work for online ID. Please run them on your systems to see how they work

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