How to install and use PyTorch on Ubuntu?

To install PyTorch and use it on Ubuntu, you can follow these steps:

1. Install Anaconda: Run the following command in the terminal to download and install Anaconda, a tool designed to manage Python environments.
2. Download the Anaconda installer for Linux from the Anaconda repository, make it executable, and then run it.
3. Follow the prompts during the installation process. After installation is complete, run the command “source ~/.bashrc” to activate Anaconda.
4. To create a new Anaconda environment, run the following command in the terminal to create a new environment named “pytorch” and activate it.
5. Create a new environment called “pytorch” with Python version 3.8 and activate it.
6. Install PyTorch: In the activated PyTorch environment, execute the following command to install PyTorch.
7. Install PyTorch, torchvision, torchaudio, and cudatoolkit version 11.1 from the PyTorch and conda-forge channels using conda.
8. Verify installation: In the Python interactive environment, execute the following command to confirm if PyTorch has been successfully installed.
9. import torch
   print(torch version)
10. If you are able to successfully output the version number of PyTorch, it means the installation was successful.

Now, you can start performing deep learning tasks using PyTorch. Refer to the official PyTorch documentation to learn how to utilize its various features and APIs.