Symmetric matrices: applications

Learning objectives

  • Establish the discrete cosine transform
  • Rotate the axes to diagonalize quadratic forms

Before class

  • Read Lay section 7.2
  • Get started with notes on discrete cosine transform
  • Consult notes to the textbook (if you wish)
  • Ponder Lay problems 7.2: 3, 7, 21.
  • Post to Piazza
  • Write solutions to problems 6.4: 2, 10, 14; 6.5: 2; 7.1: 18, 25 to turn in at the beginning of class

In class

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