Eine Zerlegung der Form
>> A=[1 3 5 7;2 4 4 8; 3 1 2 3; 4 3 2 1] A = 1 3 5 7 2 4 4 8 3 1 2 3 4 3 2 1 >> Lam=eig(A) Lam = 12.7448 -4.6849 -1.3752 1.3153 >> [Q,L]=eig(A) Q = -0.5497 -0.5826 0.3345 -0.2257 -0.6502 -0.4848 -0.4410 0.7334 -0.3282 0.0418 -0.6402 -0.6290 -0.4092 0.6510 0.5328 0.1248 L = 12.7448 0 0 0 0 -4.6849 0 0 0 0 -1.3752 0 0 0 0 1.3153 >> norm(A*Q-Q*L) ans = 7.1768e-15