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1 ## Copyright (C) 1996, 1998, 2000, 2005, 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} {[@var{n_tot}, @var{st_c}, @var{st_d}, @var{y_c}, @var{y_d}] =} __syscont_disc__ (@var{sys}) |
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24 ## Used internally in syscont and sysdisc. |
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25 ## |
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26 ## @strong{Inputs} |
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27 ## @var{sys} is a system data structure. |
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28 ## |
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29 ## @strong{Outputs} |
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30 ## @table @var |
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31 ## @item n_tot |
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32 ## total number of states |
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33 ## @item st_c |
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34 ## vector of continuous state indices (empty if none) |
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35 ## @item st_d |
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36 ## vector of discrete state indices (empty if none) |
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37 ## @item y_c |
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38 ## vector of continuous output indices |
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39 ## @item y_d |
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40 ## vector of discrete output indices |
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41 ## @end table |
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42 ## @end deftypefn |
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43 |
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44 ## Author: A. S. Hodel <a.s.hodel@eng.auburn.edu> |
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45 ## Created: February 1997 |
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46 |
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47 function [n_tot, st_c, st_d, y_c, y_d] = __syscont_disc__ (sys) |
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48 |
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49 ## get ranges for discrete/continuous states and outputs |
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50 [nn, nz, mm, pp, yd] = sysdimensions (sys); |
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51 n_tot = nn + nz; |
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52 st_c = 1:(nn); |
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53 st_d = nn + (1:nz); |
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54 y_c = find (yd == 0); # y_c, y_d will be empty if there are none. |
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55 y_d = find (yd == 1); |
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56 |
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57 endfunction |
