Linear Algebra, 4th Edition

by Stephen Friedberg, Arnold Insel, and Lawrence Spence



Mathematics Department
Illinois State University
Prentice Hall, Inc.


Look here for comments, errata, and changes as they develop. To be sure that you obtain the most recent information, especially dates of the latest errata revisions, click the button on your Web browser to reload the current page.

We encourage your comments. Please contact us by e-mail at

Answers to the computational exercises not given in the back of the book are available to instructors by contacting