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Numpyでitertools.productと同じことをやる

Posted at
import numpy as np
from itertools import product
from pprint import pprint

x = [1, 2, 3]
y = [4, 5]

pprint(list(product(x, y)))

"""
[(1, 4), (1, 5), (2, 4), (2, 5), (3, 4), (3, 5)]
"""

pprint(np.array(np.meshgrid(x, y)).T.reshape(-1, 2))

"""
array([[1, 4],
       [1, 5],
       [2, 4],
       [2, 5],
       [3, 4],
       [3, 5]])
"""

参考

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