YouTipPytorch Torch Cos
# PyTorch torch.cos Function
* * Pytorch torch Reference Manual](#)
`torch.cos` is a function in PyTorch used to compute the element-wise cosine.
### Function Definition
torch.cos(input, out=None)
* * *
## Usage Example
## Example
import torch
x = torch.tensor([0, torch.pi/2, torch.pi,3*torch.pi/2])
print(torch.cos(x))
The output result is:
tensor([ 1.0000e+00, -8.7423e-08, -1.0000e+00, -8.7423e-08])
* * Pytorch torch Reference Manual](#)