


% -*- texinfo -*-
% @deftypefn {Function File} {} polyder (@var{c})
% @deftypefnx {Function File} {[@var{q}] =} polyder (@var{b}, @var{a})
% @deftypefnx {Function File} {[@var{q}, @var{r}] =} polyder (@var{b}, @var{a})
% See polyderiv.
% @end deftypefn