Dimension and rank

Learning objectives

  • Define and find ranks of matrices
  • Find ranks of a variety of linear transformations

Before class

  • Read Lay sections 4.5, 4.6
  • Consult notes to the textbook (if you wish)
  • Ponder Lay problems 4.5: 1, 9, 11, 13, 15, 19, 21, 27; 4.6: 2, 10, 12, 14, 18, 20.
  • Post to Piazza
  • Write solutions to problems 4.3: 16, 26, 34 and 4.4: 2, 6, 14, 34  to turn in at the beginning of class

In class