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Member of the matrix class.

Syntax

c = wilkinson(a)

Description

Generates the Wilkinson test matrix for eigenvalue solvers.

Examples

Inputs

Name	Description
a	Specifies the size of the test matrix. a is a positive scalar.

Outputs

Name	Description
c	Returns an a-by-a square Wilkinson matrix. c is symmetric and tridiagonal. The eigenvalues of c are ill-conditioned because you cannot separate them easily.

Examples

A = wilkinson(9)
C = eig(A)