Linear Algebra, Interactive Edition

XYZ Homework · Web editionFree to read, no login

  1. 0 Vectors in ℝⁿ: Arrows, Lengths, and Angles
  2. 1 Systems of Linear Equations: The Geometry of Planes
  3. 2 Vectors, Spans, and Solution Sets
  4. 3 Linear Transformations: A Matrix Moves the Plane
  5. 4 Determinants: Area and Orientation
  6. 5 Eigenvalues and Eigenvectors: The Directions a Matrix Cannot Turn
  7. 6 Orthogonality and Least Squares

An original work of XYZ Homework, built around interactive XYZ 3D figures. Its chapter sequence is aligned to Interactive Linear Algebra (Margalit & Rabinoff, Georgia Tech, GNU FDL); this work is original, copies nothing from it, and is not affiliated with or endorsed by its authors.

License: CC-BY-NC-SA-4.0. Licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License; this adaptation is distributed under the same license and is provided free of charge.

These eBooks are a prerelease and are not yet certified conformant with WCAG 2.1 AA or ADA Title II. Every page is built against an automated accessibility gate, and the published editions will meet ADA Title II requirements when they release in late September 2026. If something is unusable, please tell us.