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Write a NumPy program to build an array of all combinations of three NumPy arrays

hamza
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2022-05-18
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Write a NumPy program to build an array of all combinations of three NumPy arrays.

Python programming,
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hamza
2022-05-18
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import numpy as np
x = [1, 2, 3]
y = [4, 5]
z = [6, 7]
print("Original arrays:")
print("Array-1")
print(x)
print("Array-2")
print(y)
print("Array-3")
print(z)
new_array = np.array(np.meshgrid(x, y, z)).T.reshape(-1,3)
print("Combine array:")
print(new_array)

Sample Output:
Original arrays:
Array-1
[1, 2, 3]
Array-2
[4, 5]
Array-3
[6, 7]
Combine array:
[[1 4 6]
 [1 5 6]
 [2 4 6]
 [2 5 6]
 [3 4 6]
 [3 5 6]
 [1 4 7]
 [1 5 7]
 [2 4 7]
 [2 5 7]
 [3 4 7]
 [3 5 7]]

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