numpy string operations | not_equal() function
Last Updated :
28 Nov, 2022
numpy.core.defchararray.not_equal(arr1, arr2) is another function for doing string operations in numpy. It checks the elements of two same shaped array one by one and returns True if they are not equal. Otherwise, it returns False.
Parameters:
arr1 : array_like of str or unicode.
arr2 : array_like of str or unicode.
Returns : [ndarray] Output array of bools, or a single bool if arr1 and arr2 are scalars.
Code #1 :
Python3
import numpy as geek
in_arr1 = geek.array( 'numpy' )
print (" 1st Input array : ", in_arr1)
in_arr2 = geek.array( 'numpy' )
print (" 2nd Input array : ", in_arr2)
out_arr = geek.char.not_equal(in_arr1, in_arr2)
print ("Output array: ", out_arr)
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Output:
1st Input array : numpy
2nd Input array : numpy
Output array: False
Code #2 :
Python3
import numpy as geek
in_arr1 = geek.array([ 'Geeks' , 'for' , 'Geeks' ])
print (" 1st Input array : ", in_arr1)
in_arr2 = geek.array([ 'Geek' , 'for' , 'Geek' ])
print (" 2nd Input array : ", in_arr2)
out_arr = geek.char.not_equal(in_arr1, in_arr2)
print ("Output array: ", out_arr)
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Output:
1st Input array : ['Geeks' 'for' 'Geeks']
2nd Input array : ['Geek' 'for' 'Geek']
Output array: [ True False True]
Code #3 :
Python3
import numpy as geek
in_arr1 = geek.array([ '10' , '11' , '12' ])
print (" 1st Input array : ", in_arr1)
in_arr2 = geek.array([ '10' , '11' , '121' ])
print (" 2nd Input array : ", in_arr2)
out_arr = geek.char.not_equal(in_arr1, in_arr2)
print ("Output array: ", out_arr)
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Output:
1st Input array : ['10' '11' '12']
2nd Input array : ['10' '11' '121']
Output array: [False False True]
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