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Env

import torch

  randn

R = torch.randn(2, 3)
What's this?

标准高斯分布(正态分布)
均值: 0, 标准差: 1


R 
R
tensor([[-0.6154,  0.5752, -0.1406],
        [ 1.0015, -0.1382, -1.0266]])
R.shape 
R.shape
torch.Size([2, 3])
R.numel() 
R.numel()
6

  rand

R2 = torch.rand(2, 3)
What's this?

[0, 1) 之间的均匀分布


R2 
R2
tensor([[0.7229, 0.9248, 0.7824],
        [0.5227, 0.5255, 0.0237]])
R2.shape 
R2.shape
torch.Size([2, 3])
R2.numel() 
R2.numel()
6