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Python Pytorch eye() method

  • Last Updated : 22 Apr, 2020

PyTorch is an open-source machine learning library developed by Facebook. It is used for deep neural network and natural language processing purposes.

The function torch.eye() returns a returns a 2-D tensor of size n*m with ones on the diagonal and zeros elsewhere.

Syntax: torch.eye(n, m, out=None)

Parameters:
n: the number of rows
m: the number of columns. Default – n
out (Tensor, optional): the output tensor

Return type: A 2-D tensor



Code #1:




# Importing the PyTorch library
import torch
  
  
# Applying the eye function and
# storing the resulting tensor in 'a'
a = torch.eye(3, 4)
print("a = ", a)
  
b = torch.eye(3, 3)
print("b = ", b)
  
c = torch.eye(5, 1)
print("c = ", c)

Output:

a =  tensor([[1., 0., 0., 0.],
        [0., 1., 0., 0.],
        [0., 0., 1., 0.]])
b =  tensor([[1., 0., 0.],
        [0., 1., 0.],
        [0., 0., 1.]])
c =  tensor([[1.],
        [0.],
        [0.],
        [0.],
        [0.]])


 

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