Learning objectives

• Find coordinates relative to an orthonormal basis
• Use an 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
• Work on webwork problems
• Write solutions to problems 5.4: 6, 8 and 6.1:20, 28  to turn in at the beginning of class.

In class

• Use orthonormal bases
• Work with orthogonal transformations
• Problems concerning projections

Daily Schedule|WeBWorK|Piazza