Monday, February 27
Tonight’s Homework
- Read Section 3.1
- Homework: Section 3.1 # 1, 2, 3; Section 3.2 # 2
- Written homework 1 due Wednesday at beginning of class
Tuesday, February 28
Tonight’s Homework
- Read Section 3.2
- Homework: Section 3.2 # 2, 7
Wednesday, March 1
- Inverse of a matrix
- Written homework 1 due today
Tonight’s Homework
- Read Section 3.2
- Homework: Section 3.2 # 5
- Homework: Let A be an m x n matrix. Prove that
N(A) is a subset of N(AtA)
Friday, March 3
- More on inverses
- Begin Section 3.3: Systems of linear equations
- Happy Spring Break!
Tonight’s Homework
- Begin to read Section 3.3
- Homework: Section 3.2 # 1, 6
- Let A be an m x n matrix, m not equal to n. Explain why
either the row vectors or the column vectors are linearly dependent.