function Ai = ex_estab_c_OP06a_ex1(rho)
% Continuous-time uncertain system used for robust stability evaluation purposes. This systems was
% used in (Oliveira & Peres, SCL 2006), Example 1.

if nargin == 0
    rho = 0.463;
end

A0 = [0 1;
    -2 -2];

A1 = [-1 0;
    0 5];

A2 = [1 0;
    0 -5];


Ai = [];

A11 = A0 + rho*A1;
A12 = A0 + rho*A2;
Ai = [A11 A12];
