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How to find intersection between two Numpy arrays?
In this problem, we will find the intersection between two numpy arrays. Intersection of two arrays is an array with elements common in both the original arrays
Algorithm
Step 1: Import numpy. Step 2: Define two numpy arrays. Step 3: Find intersection between the arrays using the numpy.intersect1d() function. Step 4: Print the array of intersecting elements.
Example Code
import numpy as np
array_1 = np.array([1,2,3,4,5])
print("Array 1:\n", array_1)
array_2 = np.array([2,4,6,8,10])
print("\nArray 2:\n", array_2)
intersection = np.intersect1d(array_1, array_2)
print("\nThe intersection between the two arrays is:\n", intersection)Output
Array 1: [1 2 3 4 5] Array 2: [2 4 6 8 10] The intersection between the two arrays is: [2 4]
Updated on: 16-Mar-2021
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