今天发现一个操作符

 import torch
a = torch.tensor([[1,2],
                  [2,3],
                  [5,6]])
b = torch.tensor([[2,1],
                  [8,5],
                  [3,2]])
c = a*b
d = a @ b.t() ## [3,2] @ [2,3]
print('*',c)
print('@',d)

结果如下

import torch

# Define matrices
A = torch.randn(3, 4)
B = torch.randn(4, 5)

# Matrix multiplication
C = torch.matmul(A, B)

print(C)

结果如下