Monday, March 9

• Elementary Matrices

Tonight’s Homework

• Read Section 3.1
• Homework: Section 3.1 # 1, 2, 3; Section 3.2 # 2
• Written Homework 1 due Wednesday

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Tuesday, March 10

• Rank

Tonight’s Homework

• Read Section 3.2
• Homework: Section 3.2 # 2, 7
• Written Homework 1 due tomorrow

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Wednesday, March 11

• Inverse of a matrix
• Written Homework 1 due today

Tonight’s Homework

• Read Section 3.2
• Homework: Section 3.2 #  5
• Homework: Let A by an m x n matrix. Prove that
  N(A) is a subset of N(A^t A)

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Friday, March 13

• More on Inverses
• Begin Section 3.3: Systems of Linear Equations

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.