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Compare and return True if two string Numpy arrays are not equal
To compare and return True if two string arrays are not equal, use the numpy.char.not_equal() method in Python Numpy. The arr1 and arr2 are the two input string arrays of the same shape.
Unlike numpy.not_equal, this comparison is performed by first stripping whitespace characters from the end of the string. This behavior is provided for backward-compatibility with numarray.
The numpy.char module provides a set of vectorized string operations for arrays of type numpy.str_ or numpy.bytes_.
Steps
At first, import the required library −
import numpy as np
Create two One-Dimensional arrays of string −
arr1 = np.array(['Bella', 'Tom', 'John', 'Kate', 'Amy', 'Brad']) arr2 = np.array(['Bella', 'Tom', 'Cena', 'Kate', 'Adams', 'brad'])
Display the arrays −
print("Array 1...
", arr1)
print("
Array 2...
", arr2)Get the type of the arrays −
print("
Our Array 1 type...
", arr1.dtype)
print("
Our Array 2 type...
", arr2.dtype)Get the dimensions of the Arrays −
print("
Our Array 1 Dimensions...
",arr1.ndim)
print("
Our Array 2 Dimensions...
",arr2.ndim)Get the shape of the Arrays −
print("
Our Array 1 Shape...
",arr1.shape)
print("
Our Array 2 Shape...
",arr2.shape)To compare and return True if two string arrays are not equal, use the numpy.char.not_equal() method. The arr1 and arr2 are the two input string arrays of the same shape −
print("
Result...
",np.char.not_equal(arr1,arr2))Example
import numpy as np
# Create two One-Dimensional arrays of string
arr1 = np.array(['Bella', 'Tom', 'John', 'Kate', 'Amy', 'Brad'])
arr2 = np.array(['Bella', 'Tom', 'Cena', 'Kate', 'Adams', 'brad'])
# Display the arrays
print("Array 1...
", arr1)
print("
Array 2...
", arr2)
# Get the type of the arrays
print("
Our Array 1 type...
", arr1.dtype)
print("
Our Array 2 type...
", arr2.dtype)
# Get the dimensions of the Arrays
print("
Our Array 1 Dimensions...
",arr1.ndim)
print("
Our Array 2 Dimensions...
",arr2.ndim)
# Get the shape of the Arrays
print("
Our Array 1 Shape...
",arr1.shape)
print("
Our Array 2 Shape...
",arr2.shape)
# To compare and return True if two string arrays are not equal, use the numpy.char.not_equal() method in Python Numpy
# The arr1 and arr2 are the two input string arrays of the same shape.
print("
Result...
",np.char.not_equal(arr1,arr2))Output
Array 1... ['Bella' 'Tom' 'John' 'Kate' 'Amy' 'Brad'] Array 2... ['Bella' 'Tom' 'Cena' 'Kate' 'Adams' 'brad'] Our Array 1 type... <U5 Our Array 2 type... <U5 Our Array 1 Dimensions... 1 Our Array 2 Dimensions... 1 Our Array 1 Shape... (6,) Our Array 2 Shape... (6,) Result... [False False True False True True]
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