//Example 3.1 clear; clc; R=10; C=40*10^(-6); L=5*10^(-3); Hsnum=(R/L)*%s; Hsden=((%s^(2))+(R/L)*%s+(1/(L*C))); Hs=Hsnum/Hsden;//Transfer Function h=syslin('c',Hs); plzr(h); zeroes=roots(Hsnum); poles=roots(Hsden);