20 - Quiz¶

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• Your VT email:

What happens when you run b = a in PyTorch with a tensor a?

• A. A new independent copy of a is created
• B. b shares the same memory as a
• C. a is a shadowed variable
• D. A runtime error occurs

Which statement about slicing is true?

• A. Slicing always creates a new copy
• B. Slicing deletes the original tensor
• C. Slicing only works for 1D and 2D tensors
• D. Slicing returns a view that shares memory

What is broadcasting in PyTorch?

• A. Automatically expanding tensor dimensions for operations
• B. Sending tensors over a network
• C. Copying tensors into multiple variables
• D. Converting tensors to lists

What does x[:, 1] select from a 2D tensor?

• A. The first row
• B. The second row
• C. The first column
• D. The second column