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python - numpy(4) ๋ฐฐ์—ด์˜ ์†์„ฑ๊ฐ’ ํ™•์ธ

mini_world 2020. 3. 29. 18:43
๋ชฉ์ฐจ ์ ‘๊ธฐ
import numpy as np

# 1์ฐจ์› ๋ฐฐ์—ด์˜ ์†์„ฑ๊ฐ’
a = np.array([1, 2, 3])
print(a.ndim)  # 1
print(a.shape)  # (3,)


# 2์ฐจ์› ๋ฐฐ์—ด์˜ ์†์„ฑ๊ฐ’
c = np.array([[1, 2, 3], [4, 5, 6]])
print(c.ndim)  # 2
print(c.shape)  # (2, 3)


# 3์ฐจ์› ๋ฐฐ์—ด์˜ ์†์„ฑ๊ฐ’
d = np.array([
    [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]],
    [[11, 12, 13, 14], [15, 16, 17, 18], [19, 20, 21, 22]]
])
print(d.ndim)  # 3
print(d.shape)  # (2, 3, 4)

 

[์‹คํ–‰ ๊ฒฐ๊ณผ]

1
(3,)
2
(2, 3)
3
(2, 3, 4)

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