% Script e1 Create G(s) as a tf object
  clear % removes all variables from the workspace
  numG = [4 36 32]  % Create numerator
  denG = [1 10 30 40 24] % … & denominator polynomials
  G = tf(numG,denG) % create TF object
  pause
  get(G)  % See properties of TF object
  pause
% Extract numerator & denominator polynomials from TF 
% object')
  [nn,dd] = tfdata(G,'v')
  pause
  pzmap(G);grid
  title('Ex 1: pole-zero map from TF object')
  