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+## Copyright (C) 2005 Ivana Varekova
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+## 02110-1301  USA
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} etreeplot (@var{Tree})
+## @deftypefnx {Function File} {} etreeplot (@var{Tree}, @var{NodeStyle}, @var{EdgeStyle})
+## Plots the elimination tree of the matrix @var{s} or @code{@var{s}+@var{s}'}
+## if @var{s} in non-symmetric. The  optional parameters @var{LineStyle} and 
+## @var{EdgeStyle} define the output style.
+## @end deftypefn
+## @seealso{treeplot,gplot}
+
+function etreeplot (s, varargin)
+  treeplot (etree (s+s'), varargin{:})
+endfunction