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ASU CSE 575 Quiz Week 2

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2021/2022 Written for academic year
Institution Arizona State University
Course CSE575 Statistical Machine Learning (CSE575)
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Solutions for CSE 575 Statistical Machine Learning Week 2's Graded Quiz. CSE 575 quiz 2. cse 575 asu cse575 quiz 2. ASU CSE 575 quiz 2. CSE575 ASU quiz 2. cse575 quiz 2. asu cse 575 quiz 2. CSE575 quiz 2.

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ASU CSE 575 Statistical Machine Learning Graded Quiz
Week 2


1 Given two sets, A = 1, 2, 3, 4, 5, B = 1, 4, 7, 9, 10.
What is A ∩ B?
• 1, 4 ✔

• 1, 2, 3, 4, 5
• 1, 2, 3, 4, 5, 7, 9, 10
• 1, 4, 7, 9, 10


...More on the next page...




1

, 2 Consider a symmetric matrix A. What is ∂(xT Ax) ∂x ?

• xT
• 2A
• 2Ax ✔
• x
 
2 4
3 Given matrix X =
6 8
what is the value of trace(X)?

• 10 ✔
• 8
• 16
• 6

4 Which of the following is always correct?

• trace(X + Y )= trace(X) ∗ trace(Y)
• trace(X + Y )= trace(X) + trace(Y) ✔
• trace(X + Y )= trace(X)/trace(Y)
• trace(X + Y )= trace(X) − trace(Y)




2

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