% Nise, N.S.
% Control Systems Engineering, 6th ed.
% John Wiley & Sons, Hoboken, NJ, 07030
% Control Systems Engineering Toolbox Version 6.0
% Copyright 2011 by John Wiley & Sons, Inc.
% TryIt 13.1
% Use MATLAB, the Control System Toolbox, and the
% following statements to find G1(s) in Example
% 13.4 given G(z) in Eq. 13.46.