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Get the intersection of two sets in Python

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John Main answered on July 2, 2022 Popularity 6/10 Helpfulness 2/10

answer Get the intersection of two sets in Python

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Get the intersection of two sets in Python

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set1 = {1, 2, 3, 4, 5}
set2 = {3, 4, 5, 6, 7}

#get the intersection
result = set1 & set2
print(result)

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Source: www.pynerds.com

Tags: get intersection python

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Contributed on Feb 20 2024

John Main

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intersection() Function of sets in python

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# The intersection() function can be used to create a new set containing the shared
# values from one set with another

mySet = {1, 2, 3, 4}
mySet2 = {3, 4, 5, 6}
mySet3 = mySet.intersection(mySet2)
print(mySet3)

# Output:
# {3, 4}

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Source: liu-111.medium.com

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Contributed on Jul 07 2022

OHIOLee

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intersection of two sets in python

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set1 = {1, 2, 3, 4}
set2 = {3, 4, 5, 6}

intersection = set1.intersection(set2)
print(intersection)

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Contributed on Sep 11 2023

YOU.com

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How to Get the Intersection of Sets in Python

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firstSet = {2, 3, 4, 5}

secondSet = {1, 3, 5, 7}

print(firstSet & secondSet)
# {3, 5}

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Source: www.freecodecamp.org

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Contributed on Jul 02 2022

OHIOLee

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find intersection of two functions python

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You can use np.sign in combination with np.diff and np.argwhere to obtain the indices of points where the lines cross (in this case, the points are [  0, 149, 331, 448, 664, 743]):

import numpy as np
import matplotlib.pyplot as plt

x = np.arange(0, 1000)
f = np.arange(0, 1000)
g = np.sin(np.arange(0, 10, 0.01) * 2) * 1000

plt.plot(x, f, '-')
plt.plot(x, g, '-')

idx = np.argwhere(np.diff(np.sign(f - g))).flatten()
plt.plot(x[idx], f[idx], 'ro')
plt.show()

plot of intersection points

First it calculates f - g and the corresponding signs using np.sign. Applying np.diff reveals all the positions, where the sign changes (e.g. the lines cross). Using np.argwhere gives us the exact indices.

Popularity 9/10 Helpfulness 3/10 Language python

Source: stackoverflow.com

Tags: find intersection intersectio

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Contributed on Nov 17 2022

Pratik Lonari

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Get the intersection of two sets in Python

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Get the intersection of two sets in Python

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intersection() Function of sets in python

intersection of two sets in python

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