Find common values between two NumPy arrays
In NumPy, we can find common values between two arrays with the help intersect1d(). It will take parameter two arrays and it will return an array in which all the common elements will appear.
Syntax: numpy.intersect1d(array1,array2)
Parameter :Two arrays.
Return :An array in which all the common element will appear.
Example 1:
Python
import numpy as np ar1 = np.array([0, 1, 2, 3, 4]) ar2 = [1, 3, 4] # Common values between two arrays print(np.intersect1d(ar1, ar2)) |
Output:
[1,3,4]
Example 2:
Python
import numpy as np ar1 = np.array([12, 14, 15, 16, 17]) ar2 = [2, 4, 5, 6, 7, 8, 9, 12] # Common values between two arrays print(np.intersect1d(ar1, ar2)) |
Output:
[12]
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