Python List of np arrays to array

问题:

I'm trying to turn a list of 2d numpy arrays into a 2d numpy array. For example,

dat_list = [] for i in range(10):     dat_list.append(np.zeros([5, 10]))

What I would like to get out of this list is an array that is (50, 10). However, when I try the following, I get a (10,5,10) array.

output = np.array(dat_list)

Thoughts?

回答1:

you want to stack them:

np.vstack(dat_list)

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