% Return the vector obtained by eliminating all supradiagonal elements of
SYNOPSIS
function v = vech (x)
DESCRIPTION
% -*- texinfo -*-
% @deftypefn {Function File} {} vech (@var{x})
% Return the vector obtained by eliminating all supradiagonal elements of
% the square matrix @var{x} and stacking the result one column above the
% other.
% @end deftypefn
