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########################################################################
##
## Copyright (C) 2005-2024 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## This file is part of Octave.
##
## Octave 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 3 of the License, or
## (at your option) any later version.
##
## Octave 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 Octave; see the file COPYING. If not, see
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {} etreeplot (@var{A})
## @deftypefnx {} {} etreeplot (@var{A}, @var{node_style}, @var{edge_style})
## Plot the elimination tree of the matrix @var{A} or
## @tcode{@var{A}+@var{A}'} if @var{A} in not symmetric.
##
## The optional parameters @var{node_style} and @var{edge_style} define the
## output style.
## @seealso{treeplot, gplot}
## @end deftypefn
function etreeplot (A, varargin)
if (nargin < 1 || nargin > 3)
print_usage ();
endif
treeplot (etree (A+A'), varargin{:});
endfunction
## Test input validation
%!error <Invalid call> etreeplot ()
%!error <Invalid call> etreeplot (1,2,3,4)
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