% Chapter 4: Example 4.10:
%  Check of residue functions rf2pfez and pfe2rfz
%
b = [1,0.4*sqrt(2)]; a=[1,-0.8*sqrt(2),0.64];
[R,p,C] = residuez(b,a)
Mp=abs(p')   % pole magnitudes
Ap=angle(p')/pi   % pole angles in pi units