% -*- texinfo -*-
% @deftypefn {Function File} {} ugain (@var{n})
% Creates a system with unity gain, no states.
% This trivial system is sometimes needed to create arbitrary
% complex systems from simple systems with @command{buildssic}.
% Watch out if you are forming sampled systems since @command{ugain}
% does not contain a sampling period.
% @seealso{hinfdemo, jet707}
% @end deftypefn