Computing
L¥ and H¥ Norms

§**Rational Functions:** Let *G*(*s*) Î *RL**¥* :

vthe farthest distance the
Nyquist plot of *G* from the origin

vthe peak on the Bode
magnitude plot

vestimation: set up a fine
grid of frequency points, {*w**1*,…, *w**N*}.