Linear Algebra Textbook 2nd Edition Adds Backpropagation & Attention
prof_g · x · 2026-08-21
Professor Robert Ghrist announced the release of the 2nd edition of "Linear Algebra: Essence & Form" on Amazon, with PDF and Markdown versions coming soon. The update fixes numerous errors and adds many exercises with answers. Content expansions include more on adjoints and pseudoinverses, applications of quotient spaces to color, rank-nullity for dimensional analysis, and improved SVD/PCA coverage. Notably, it features a new chapter on "probability & dimension" (including Johnson-Lindenstrauss) and a better treatment of backpropagation and attention mechanisms.
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