% -*- texinfo -*-
% @deftypefn {Function File} {} zp2sys (@var{zer}, @var{pol}, @var{k}, @var{tsam}, @var{inname}, @var{outname})
% Create system data structure from zero-pole data.
%
% @strong{Inputs}
% @table @var
% @item zer
% Vector of system zeros.
% @item pol
% Vector of system poles.
% @item k
% Scalar leading coefficient.
% @item tsam
% Sampling period; default: 0 (continuous system).
% @item inname
% @itemx outname
% Input/output signal names (lists of strings).
% @end table
%
% @strong{Output}
% @table @var
% @item sys
% System data structure.
% @end table
%
% @strong{Example}
% @example
% octave:1> sys=zp2sys([1 -1],[-2 -2 0],1);
% octave:2> sysout(sys)
% Input(s)
% 1: u_1
% Output(s):
% 1: y_1
% zero-pole form:
% 1 (s - 1) (s + 1)
% -----------------
% s (s + 2) (s + 2)
% @end example
% @end deftypefn