function h = addfns (f, g)
  h = @ (varargin) f (varargin{:}) + g (varargin{:});
endfunction

%!demo
%! f = addfns (@ (x) x, @ (x) x);
%! f (2)

%!demo
%! f = addfns (@ (x, y) x + y, @ (x, y) x * y);
%! f (2, 3)