Orthogonal projections (K-A)

• Projections onto subspaces (K-A)
• Visualizing a projection onto a plane (K-A)
• Subspace projection matrix example (K-A)
• Another example of a projection matrix (K-A)
• Projection is closest vector in subspace (K-A)
• Least squares approximation (K-A)
• Least squares examples (K-A)
• Another least squares example (K-A)