# Clock Hands Pictures for $2 \times 2$ Real Matrices

by Charles R. Johnson and Brenda K. Kroschel

College Mathematics Journal
March, 1998

Subject classification(s): Algebra and Number Theory | Linear Algebra | Eigenvalues and Eigenvectors
Applicable Course(s): 3.8 Linear/Matrix Algebra

The article illustrates the notion of eigenvalue and its corresponding eigenvector using hands of an analog clock. This capsule deals with $2 \times 2$ real matrices, single eigenvalues, and complex ones as well.

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Capsule Course Topic(s):
Linear Algebra | Eigenvalues and Eigenvectors