a = np.array([1, 2, 3])
aa = np.array([1], [2], [3])
b = np.array([1, 2, 3])
bb = np.array([1], [2], [3])
np.concatenate((a, b), axis = 1)
array([1, 2, 3, 1, 2, 3]) # It's ok, that's what I was expecting
np.concatenate((a, b), axis = 0)
array([1, 2, 3, 1, 2, 3]) # It's not ok, that's not what I was expecting
我期待:
array([[1, 2, 3],
[1, 2, 3]])
即使使用 aa 和 bb,我也会得到同样的不一致。那么是否有一个简单的解决方案可以沿轴 0 连接两个一维数组?