function h = pzgroup
%PZGROUP  Constructor for pole/zero group object.

%   Author(s): P. Gahinet
%   Copyright 1986-2002 The MathWorks, Inc. 
%   $Revision: 1.5 $ $Date: 2002/04/10 04:52:37 $


% Create class instance
h = sisodata.pzgroup;