R: MATLAB rosser function

rosser {matlab} | R Documentation

## MATLAB rosser function

### Description

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

### Usage

    rosser()

### 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

### Value

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

### Author(s)

P. Roebuck proebuck@mdanderson.org

### Examples

    rosser()

[Package matlab version 1.0.2 Index]