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Linear and Multilinear Algebra
Table of contents from volume 1.
www.csun.edu/

Linear Algebra Textbook
By Jim Hefferon. Free download in PDF and TeX source code. Covers the material of an undergraduate first linear algebra course.
joshua.smcvt.edu/

Notes on Linear Algebra
By Lee Lady: available in PDF, PS or DVI.
www.math.hawaii.edu/

Georgia Tech Linear Algebra Site
Online resources relevant to all courses that include linear algebra content.
www.math.gatech.edu/

Linear Algebra - Preliminary lectures
Gives a definition of the topic and motivation. Sections cover vector spaces, linear transformations, matrix calculus, eigenspaces, diagonalisation, square matrix composition, and quadratic forms.
vision.unige.ch/

Understanding Algebra - An Online Algebra Text by James Brennan
Covers the order of operations, working with plus and negative signs, solving for unknowns, straight line and polynomial functions, cartesian coordinates and simultaneous equations. Includes topical navigation, illustrations and charts.
www.jamesbrennan.org/

Linear Algebra from MathWorld
Offers elementary definitions in general linear algebra, matrices and determinants.
mathworld.wolfram.com/

Elements of Abstract and Linear Algebra, by Edwin H. Connell
Full online book on abstract algebra with emphasis on linear algebra. Format: DVI, PDF, PS and gzipped-PS.
www.math.miami.edu/

Linear Algebra Glossary
Includes definitions and examples of all basic concepts.
www.psc.edu/

Hermann Grassmann and the Creation of Linear Algebra
A historical paper on the elaboration of the discipline's foundations in the middle of the 19th century.
www.maths.utas.edu.au/