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## Copyright (C) 1996, 2000, 2002, 2004, 2005, 2007
## Auburn University. All rights reserved.
##
##
## 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 3 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; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{pv} =} sysreorder (@var{vlen}, @var{list})
##
## @strong{Inputs}
## @table @var
## @item vlen
## Vector length.
## @item list
## A subset of @code{[1:vlen]}.
## @end table
##
## @strong{Output}
## @table @var
## @item pv
## A permutation vector to order elements of @code{[1:vlen]} in
## @code{list} to the end of a vector.
## @end table
##
## Used internally by @code{sysconnect} to permute vector elements to their
## desired locations.
## @end deftypefn
## Author: A. S. Hodel <a.s.hodel@eng.auburn.edu>
## Created: August 1995
function pv = sysreorder (vlen, list)
if (nargin != 2)
print_usage ();
endif
## disp('sysreorder: entry')
pv = 1:vlen;
## make it a row vector
list = reshape(list,1,length(list));
A = pv' * ones (size (list));
B = ones (size (pv')) * list;
X = (A != B);
if (! isvector (X))
y = min (X');
else
y = X';
endif
z = find (y == 1);
if (! isempty (z))
pv = [z, list];
else
pv = list;
endif
endfunction
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