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How to use NumPy intersect1d () function?

Pass the two arrays as arguments to the numpy intersect1d () function. You can see that the returned array has only the common elements between the two arrays. 2. Intersection between two 1d arrays with unique values

How do you find the intersection of an array in NumPy?

numpy.intersect1d ¶ numpy.intersect1d(ar1, ar2, assume_unique=False, return_indices=False) [source] ¶ Find the intersection of two arrays. Return the sorted, unique values that are in both of the input arrays.

What is a set in NumPy?

A set in mathematics is a collection of unique elements. Sets are used for operations involving frequent intersection, union and difference operations. We can use NumPy's unique () method to find unique elements from any array. E.g. create a set array, but remember that the set arrays should only be 1-D arrays.

What is the intersection method in Python?

1 Definition and Usage. The intersection () method returns a set that contains the similarity between two or more sets. ... 2 Syntax 3 Parameter Values. The other set to search for equal items in. You can compare as many sets you like. 4 More Examples