 Notes for Ma221 Lecture 15, Dec 1, 2023

Lecture notes in Math 221, Matrix Computations, Fall 2023, dated 1 December 2023 in the heading. No explicit author byline or institutional authorship is established. The University of California, Berkeley EECS faculty website hosts the notes; James Demmel is the course instructor. The lecture date is distinct from any publication or revision date.

Lecture notes: people.eecs.berkeley.edu/~demmel/ma221_Fall23/Lectures/Lecture_15.pdf

Cited passages: PDF p. 1 heading and opening left/symmetric transformations; PDF p. 1, Preconditioned CG algorithm and equivalent symmetric system; PDF p. 1, goals (1) and (2), M = I and M = A comparison, example (1) Jacobi preconditioning; PDF p. 2, example (3) triangular factor solves; Course homepage, title and Instructor section, web lines 2–14.