[diary #3] Numpy Axis

kamchur·2022년 10월 14일
0

😁START

numpy axis

axis = 0	# column
axis = 1	# row

example

arr1 = array([[0.38561965, 0.21899143],
       [0.18552341, 0.90770318],
       [0.45782487, 0.25678429],
       [0.82778747, 0.04337668]])

arr2 = array([[0.6015822 , 0.57523424],
       [0.18762293, 0.5558438 ],
       [0.56871587, 0.31634338],
       [0.50953411, 0.85320864]])
np.concatenate((arr1, arr2), axis=0)
[result]
array([[0.38561965, 0.21899143],
       [0.18552341, 0.90770318],
       [0.45782487, 0.25678429],
       [0.82778747, 0.04337668],
       [0.6015822 , 0.57523424],
       [0.18762293, 0.5558438 ],
       [0.56871587, 0.31634338],
       [0.50953411, 0.85320864]])

np.concatenate((arr1, arr2), axis=1)
[result]
array([[0.38561965, 0.21899143, 0.6015822 , 0.57523424],
       [0.18552341, 0.90770318, 0.18762293, 0.5558438 ],
       [0.45782487, 0.25678429, 0.56871587, 0.31634338],
       [0.82778747, 0.04337668, 0.50953411, 0.85320864]])

np.argmax(arr1, axis=0)
np.argmin(arr2, axis=1)

😂END

2022.10.14. first commit
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