%-- 2011/05/09 13:59 --% A = [1, 2, 3; 4, 5, 6; 7, 8, 9] eig(A) format long e eig(A) det(A) help initial sys = ss(A, [], eye(2), 0) sys = ss(A, [1; 1], eye(2), 0) x0 = [1; 2; 3] sys = ss(A, eye(2), x0) help initial A B = [1; 1; 1] C = eye(3) D = [0; 0; 0] sys = ss(A,B,C,D) sys = ss(A,B,C,D); x0 initial(sys, x0) [V, D] = eig(A) [V, D] = eig(A); help eig V D format short f format short e format short g D V\D*V V\A*V help eig V\A*V