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Introduction to Deep Learning and Generative AI, Quiz 1

September 2025 term, 26 Oct 2025, Set QDD2

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Question 1

+2−0Single correct

Select one option

A.
torch.tensor([1, 4, 7])
B.
torch.tensor([2, 5, 8])
C.
torch.tensor([3, 6, 9])
D.
torch.tensor([4, 5, 6])
E.
torch.tensor([5])

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Figure from the original question paper You have a tensor `x = torch.tensor([1, 2, 3, 4])` with shape `(4,)`. You perform the following operations: stacked_x = torch.stack([x, x, x], dim=0) stacked_y = torch.stack([x, x, x], dim=1) What are the shapes of `stacked_x` and `stacked_y` respectively? Figure from the original question paper