numpy string operations | equal() function
Last Updated :
26 Jan, 2019
numpy.core.defchararray.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 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 :
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.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: True
Code #2 :
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.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: [False True False]
Code #3 :
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.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: [ True True False]
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