Stephanie Fitchett, Duke University

John Michel, Marietta College

**Purposes:** To introduce the
concept of using matrix multiplication to rotate vectors in two-dimensional
space; to provide motivation for the definition of matrix multiplication; to
lay the groundwork for using matrices to work with graphics.

**Prerequisites:**

- The Helper Application Tutorial for your computer algebra system
- (For Part 4 only) An understanding of the inverse and transpose of a matrix, dot products of vectors, and orthogonality of vectors

modules at math.duke.edu | Copyright CCP and the author(s), 1998 |

Last Modified: December 5, 2000 |