home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
octa21eb.zip
/
octave
/
SCRIPTS.ZIP
/
scripts.fat
/
control
/
sysreord.m
< prev
next >
Wrap
Text File
|
1999-04-29
|
2KB
|
53 lines
# Copyright (C) 1996 A. Scottedward Hodel
#
# 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 2, 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, write to the Free
# Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
function pv = sysreord(vlen,list)
# function pv = sysreord(vlen,list)
#
# inputs: vlen: vector length
# list: a subset of {1:vlen}
# pv: a permutation vector to order elements of [1:vlen] in -list-
# to the end of a vector
# used internally by syscnct to permute vector elements to their
# desired locations. No user-serviceable parts inside; do not attempt
# to use this at home!
# A. S. Hodel, Aug 1995
#disp('sysreord: 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(!is_vec(X))
y = min(X');
else
y = X';
endif
z = find(y == 1);
if(!isempty(z))
pv = [z, list];
else
pv = list;
endif
endfunction