% -*- texinfo -*-
% @deftypefn {Function File} {[@var{num}, @var{den}] =} zp2tf (@var{zer}, @var{pol}, @var{k})
% Converts zeros / poles to a transfer function.
%
% @strong{Inputs}
% @table @var
% @item zer
% @itemx pol
% Vectors of (possibly complex) poles and zeros of a transfer
% function. Complex values must appear in conjugate pairs.
% @item k
% Real scalar (leading coefficient).
% @end table
% @end deftypefn