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1 ## Copyright (C) 1996, 1998 Auburn University. All rights reserved. |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by the |
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7 ## Free Software Foundation; either version 2, or (at your option) any |
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8 ## later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but WITHOUT |
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11 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 ## for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, write to the Free |
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17 ## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @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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21 ## Used internally in syscont and sysdisc. |
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22 ## |
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23 ## @strong{Inputs} |
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24 ## @var{ sys} is a system data structure. |
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25 ## |
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26 ## @strong{Outputs} |
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27 ## @table @var |
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28 ## @item n_tot |
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29 ## total number of states |
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30 ## @item st_c |
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31 ## vector of continuous state indices (empty if none) |
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32 ## @item st_d |
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33 ## vector of discrete state indices (empty if none) |
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34 ## @item y_c |
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35 ## vector of continuous output indices |
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36 ## @item y_d |
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37 ## vector of discrete output indices |
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38 ## @end table |
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39 ## @end deftypefn |
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40 |
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41 ## Author: A. S. Hodel <a.s.hodel@eng.auburn.edu> |
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42 ## Created: February 1997 |
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43 |
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44 function [n_tot, st_c, st_d, y_c, y_d] = __syscont_disc__ (sys) |
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45 |
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46 ## get ranges for discrete/continuous states and outputs |
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47 [nn,nz,mm,pp,yd] = sysdimensions(sys); |
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48 n_tot = nn + nz; |
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49 st_c = 1:(nn); |
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50 st_d = nn + (1:nz); |
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51 y_c = find(yd == 0); # y_c, y_d will be empty if there are none. |
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52 y_d = find(yd == 1); |
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53 |
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54 endfunction |