numpy.iscomplex() in Python

Last Updated : 23 Oct, 2020

The numpy.iscomplex() function tests element-wise whether it is a complex number or not(not infinity or not Not a Number) and returns the result as a boolean array.
Syntax :

numpy.iscomplex(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]), "\n") 
  
print("Is Complex : ", geek.iscomplex([0+1j, 0]), "\n") 

Output :

Is Complex :  [ True False] 

Is Complex :  [ True False]

Code 2 :

# Python Program illustrating 
# numpy.iscomplex() method 
    
import numpy as geek  
   
# Returns True/False value for each element  
a = geek.arange(20).reshape(5, 4) 
print("Is complex : \n", geek.iscomplex(a)) 
   
# Returns True/False value as ans  
# because we have mentioned dtpe in the beginning 
b = geek.arange(20).reshape(5, 4).dtype = complex
                 
print("\n",b) 
print("\nIs complex : ", geek.iscomplex(b)) 
  
  
b = [[1j],  
     [3]] 
print("\nIs complex : \n", 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]]

References :
https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.isfinite.html

Note :
These codes won’t run on online-ID. Please run them on your systems to explore the working.
This article is contributed by Mohit Gupta_OMG 😀. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.

Attention geek! Strengthen your foundations with the Python Programming Foundation Course and learn the basics.

To begin with, your interview preparations Enhance your Data Structures concepts with the Python DS Course.

My Personal Notes

Related Articles