numpy wat

numpy wat

>>> import numpy as np
>>> import builtins
>>> np.random.randn(3,3)
array([[-0.24401213, -0.19773938,  0.47278806],
       [-0.6083566 , -0.65160561,  0.78145811],
       [ 0.14546934, -0.86849935,  2.07570471]])
>>> np.empty((3,3))  # sign loss
array([[0.24401213, 0.19773938, 0.47278806],
       [0.6083566 , 0.65160561, 0.78145811],
       [0.14546934, 0.86849935, 2.07570471]])
>>> np.random.randn(3,3)
array([[ 0.16574423, -0.46423738,  0.03250756],
       [ 1.73511269,  1.32196368, -0.10191454],
       [-1.10077353, -0.12643854,  1.29953623]])
>>> del builtins._
>>> np.empty((3,3))  # no sign loss
array([[ 0.16574423, -0.46423738,  0.03250756],
       [ 1.73511269,  1.32196368, -0.10191454],
       [-1.10077353, -0.12643854,  1.29953623]])