Orthogonal matrices and projections

Learning objectives

  • Find coordinates relative to an orthonormal basis
  • Use and orthonormal basis to compute projections onto a subspace
  • Understand orthogonal transformations geometrically

Before class

  • Read Lay sections 6.2 and 6.3
  • Consult notes to the textbook (if you wish)
  • Ponder Lay problems  6.2: 27; 6.3: 1, 3, 11, 21.
  • Post to Piazza

In class

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