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annotate scripts/control/system/__sysdefioname__.m @ 7017:a1dbe9d80eee

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[project @ 2007-10-12 21:27:11 by jwe]
author jwe
date Fri, 12 Oct 2007 21:27:37 +0000
parents 93c65f2a5668
children 59dcf01bb3e3
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1 ## Copyright (C) 1996, 1998, 2000, 2004, 2005, 2006, 2007
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2 ## Auburn University. All rights reserved.
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## Undocumented internal function.
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21
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22 ## -*- texinfo -*-
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23 ## @deftypefn {Function File} {} __sysdefioname__ (@var{n}, @var{str}, @var{m})
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24 ## return default input or output names given @var{n}, @var{str}, @var{m}.
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25 ## @var{n} is the final value, @var{str} is the string prefix, and @var{m}
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26 ## is start value
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27 ##
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28 ## used internally, minimal argument checking
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29 ##
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30 ## @strong{Example} @code{ioname = __sysdefioname__(5,"u",3)}
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31 ## returns the cell array:
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32 ## @example
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33 ## ioname =
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34 ## (
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35 ## [1] = u_3
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36 ## [2] = u_4
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37 ## [3] = u_5
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38 ## )
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39 ## @end example
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40 ## @end deftypefn
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41
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42 function ioname = __sysdefioname__ (n, str, m)
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43
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44 if (nargin < 2 | nargin > 3)
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45 print_usage ();
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46 endif
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47
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48 if (nargin == 2) m = min(1,n); endif
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49
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50 ioname = {};
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51 jj = 1;
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52 if(n > 0 & m > 0 & m <= n)
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53 for ii = m:n
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54 ioname{ii+1-m} = sprintf("%s_%d",str,ii);
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55 endfor
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56 elseif(m > n)
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57 error("str=%s; start value m=%d > final value n=%d",str,m,n);
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58 endif
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59
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60 endfunction