% -*- texinfo -*-
% @deftypefn {Function File} {} autocov (@var{x}, @var{h})
% Return the autocovariances from lag 0 to @var{h} of vector @var{x}.
% If @var{h} is omitted, all autocovariances are computed.
% If @var{x} is a matrix, the autocovariances of each column are
% computed.
% @end deftypefn