Roger8/notesofnumpy.md

Created May 21, 2018 02:32

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numpy using notes

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notesofnumpy.md

#convert numpy array with dtype of object to array float
arr = np.array([['one', [1, 2, 3]],['two', [4, 5, 6]]], dtype=np.object)
float_arr = np.vstack(arr[:, 1]).astype(np.float)

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