Announcement

• Introduction to Linear Algebra for Applied Machine Learning with Python.

Q&A

• Cauchy-Schwarz proof.

• Orthonormal expansion proof.

• Relationships between basis, span, and dimension.

• Definition of dimension.

• Properties of convolutions (proof by polynomial interpretation).

• How to find a basis of the null space? GS, (full) QR, SVD.

• BV 3.3.

• BV 8.5 (a) and (b).

• BV 10.11.

• HW3: Q5.

• Practice midterm: Q4.6, Q5, Q6.3, Q7 last set.