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numpy.not_equal() in Python
  • Last Updated : 04 Dec, 2020

The numpy.not_equal() checks whether two element or unequal or not.
Syntax :

numpy.not_equal(x1, x2[, out])

Parameters :

x1, x2 : [array_like]Input Array whose elements we want to check
out    : [ndarray, optional]Output array that returns True/False.
    A placeholder the same shape as x1 to store the result.

Return :

Boolean array 

Code 1 :




# Python Program illustrating
# numpy.not_equal() method
   
import numpy as geek 
  
= geek.not_equal([1., 2.], [1., 3.])
print("Not equal : \n", a, "\n")
  
b = geek.not_equal([1, 2], [[1, 3],[1, 4]])
print("Not equal : \n", b, "\n")


Output :



Not equal : 
 [False  True] 

Not equal : 
 [[False  True]
 [False  True]] 

Code 2 :




# Python Program illustrating
# numpy.not_equal() method
    
import numpy as geek 
  
# Here we will compare Complex values with int
a = geek.array([0 + 1j, 2])
b = geek.array([1,2])
  
= geek.not_equal(a, b)
print("Comparing complex with int using .not_equal() : ", d)


Output :

Comparing complex with int using .not_equal() :  [ True False]

Code 3 :




# Python Program illustrating
# numpy.not_equal() method
    
import numpy as geek 
  
# Here we will compare Float with int values
a = geek.array([1.1, 1])
b = geek.array([1, 2])
   
= geek.not_equal(a, b)
print("\nComparing float with int using .not_equal() : ", d)


Output :

 Comparing float with int using .not_equal() :  [ True  True]

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

Note :
These codes won’t run on online-ID. Please run them on your systems to explore the working
.
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