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Machine Learning Foundations, End Term

May 2026 term, 13 Sept 2026, Set 1

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Question 1

+4−0Multiple correct

Consider the following least-squares problem:

where

Suppose one least-squares solution is

Which of the following is/are correct?

Select all that apply

Select all that apply.

A.
The least-squares solution is unique.
B.
There are infinitely many least-squares solutions.
C.
The vectors produce exactly the same predictions.
(A figure from the original paper is missing from the source site.)
D.

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Consider the following least-squares problem: Figure from the original question paper where Figure from the original question paper Suppose one least-squares solution is Figure from the original question paper Which of the following is/are correct? Question text from the original paper, with its maths as pictures Figure from the original question paper Question text from the original paper, with its maths as pictures Question text from the original paper, with its maths as pictures