% -*- texinfo -*-
% @deftypefn {Function File} {} zpout (@var{zer}, @var{pol}, @var{k}, @var{x})
% print formatted zero-pole form to the screen.
% @var{x} defaults to the string @code{'s'}
% @seealso{polyval, polyvalm, poly, roots, conv, deconv, residue, filter, polyderiv, polyinteg, polyout}
% @end deftypefn