matlab (version 1.0.2)

rosser: MATLAB rosser function

Description

Create the Rosser matrix, a classic symmetric eigenvalue test problem.

Usage

rosser()

Value

Returns an 8-by-8 matrix with integer elements.

Details

The returned matrix has the following features:

• a double eigenvalue
• three nearly equal eigenvalues
• dominant eigenvalues of opposite sign
• a zero eigenvalue
• a small, nonzero eigenvalue

Examples

rosser()