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annotate scripts/control/system/__syscont_disc__.m @ 3437:3c609681b2bf

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[project @ 2000-01-14 06:00:00 by jwe]
author jwe
date Fri, 14 Jan 2000 06:00:04 +0000
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children 2e06c3941943
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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