Warm-up

• Name, area, and favorite programming language (submit your notes on Canvas!)

Logistics

• Shifting OH on Friday

Least squares

• Least squares, conditioning, bias-variance tradeoff
• Factor selection and pivoted QR
• Tikhonov regularization / ridge regression
• Truncated SVD
• Lasso and sparsity

Activity (submit a notebook or PDF for points)

• Some examples of regularized least squares