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PyTorch Cheat Sheet
Print-ready cheat sheet for PyTorch, organized for fast lookup, study, and desk-side use
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What's in this cheat sheet
Creating Tensors
import torch
a = torch.tensor([1, 2, 3])
b = torch.zeros(2, 3)
c = torch.ones(3, 3)
d = torch.randn(2, 4) # normal dist
Tensor Constructors
torch.zeros(m, n) | All zeros, shape (m, n) |
torch.ones(m, n) | All ones, shape (m, n) |
torch.randn(m, n) | Standard normal random |
torch.arange(start, end, step) | Evenly spaced values |
torch.linspace(start, end, steps) | Fixed number of points |
torch.eye(n) | Identity matrix |
torch.empty(m, n) | Uninitialized memory |
NumPy Interop
t = torch.from_numpy(np_array)
arr = tensor.numpy() # shares memory
t = torch.as_tensor(np_array)
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