1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
|
## Copyright (C) 1996, 2000, 2002, 2004, 2005, 2007
## Auburn University. All rights reserved.
##
##
## This program 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 3 of the License, or (at
## your option) any later version.
##
## This program 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 this program; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## O B S O L E T E: use ss instead.
## function Asys = packsys(a,b,c[,d,dflg])
##
## dflg: 0 for continuous time system, 1 for discrete-time system.
##
## defaults:
## D: 0 matrix of appropriate dimension.
## dflg: 0 (continuous time)
##
## Note: discrete-state sampling time is not included!
## Author: R. Bruce Tenison <btenison@eng.auburn.edu>
## Created: July 29, 1994
## Modified by David Clem November 13, 1994
## Modified by A. S. Hodel April 1995
function Asys = packsys (a, b, c, d, dflg)
warning("packsys is obsolete! Use ss instead.");
if (nargin < 3 || nargin > 5)
disp ("packsys: Invalid number of arguments");
endif
## check dflg
if (nargin == 5)
if (! isscalar (dflg))
[m, n] = size(dflg);
error ("packsys: dflg (%d,%d) must be a scalar", m, n);
elseif (dflg != 0 && dflg != 1)
error ("packsys: dflg=%g must be 0 or 1", dflg);
endif
else
## default condition
dflg = 0;
endif
if (nargin == 3)
## No D matrix. Form a zero one!
[brows, bcols] = size (b);
[crows, ccols] = size (c);
d = zeros (crows, bcols);
endif
[n, m, p] = abcddim (a, b, c, d);
if (n == -1 || m == -1 || p == -1)
error ("packsys: incompatible dimensions")
endif
Asys = ss (a, b, c, d, dflg);
endfunction
|