Open Math Notes

Resources and inspiration for math instruction and learning

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Welcome to AMS Open Math Notes, a repository of freely downloadable mathematical works hosted by the American Mathematical Society as a service to researchers, faculty and students. Open Math Notes includes:

  • Draft works including course notes, textbooks, and research expositions. These have not been published elsewhere and are subject to revision.
  • Items previously published in the Journal of Inquiry-Based Learning in Mathematics, a refereed journal
  • Refereed publications at the AMS

Visitors are encouraged to download and use any of these materials as teaching and research aids, and to send constructive comments and suggestions to the authors.

Open Math Notes Advisory Board:

  • Karen Vogtmann, Chair | University of Warwick
  • Tom Halverson | Macalester College
  • Andrew Hwang | College of the Holy Cross
  • Robert Lazarsfeld | Stony Brook University
  • Mary Pugh | University of Toronto


gary knott
Civilized Software Inc.
Reference #


Posted date
2021-07-27 09:54:16
Revised date
2021-07-27 09:54:16
Notes type
   Topics Course
   Inquiry-Based Learning (IBL)
      Linear Algebra
   Numerical Analysis

Gaussian Elimination and LU Decomposition

There is more to Gaussian Elimination than meets the eye.This note reviews
Gaussian elimination in various forms from both a computer programming and numerical analysis viewpoint.

Course Notes and Supplementary Material (PDF format)

TypeFile (Size)Date
Course notes v1 PDF (556K) 07/27/21