# Homework assignments for Math 221

• Homework due Thursday, Sept 2:
• From Chapter 1: 1,2,3,4,5,9,10,11,12
• Homework due Thursday, Sept 9:
• From Chapter 1: 13, 16, 20,
• From Chapter 2: 1, 2, 5, 7, 10, 13 (parts 1 and 2)
• Extra Credit: Chapter 1: 18
• Homework due Thursday, Sept 16:
• From Chapter 2: 11, 12, 13 (part 3), 18, 19, 20,
• Program due Thursday, Sept 23:
• From Chapter 2: 14
• Homework due Thursday, Sept 30:
• From Chapter 3: 3, 4, 9, 10, 12, 13, 14, 15, 18
Correction In the question, where you prove uniqueness of the best low rank approximation, you should measure the error in the Frobenius norm, not the 2-norm.
• Homework due Thursday, Oct 14
• From Chapter 4: 1, 2, 3, 4, 5, 6, 7, 8, 11, 14
• Homework due Thursday, Oct 21
• From Chapter 4: 9, 10, 12, 13
Correction to 9: "min" should be "inf"
• Homework due Thursday, Oct 28
• From Chapter 4: 16 (programming assignment)
• Homework due Thursday, Nov 18
• From Chapter 6: 1 through 7, 10, 11, 13
• Homework due Thursday, Dec 2
• From Chapter 6: 8, 9, 12, 14, 15 parts 1 and 2 (part 3 for extra credit), 16, 18 (extra credit)