Mercurial > octave
view scripts/control/is_siso.m @ 3229:28aba52a2368
[project @ 1998-12-10 03:06:31 by jwe]
author | jwe |
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date | Thu, 10 Dec 1998 03:06:32 +0000 |
parents | dbcc24961c44 |
children | 98e15955107e |
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# Copyright (C) 1996 A. Scottedward Hodel # # This file is part of Octave. # # Octave 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 2, or (at your option) any # later version. # # Octave 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 Octave; see the file COPYING. If not, write to the Free # Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. function SISO = is_siso(sys) # function SISO = is_siso(sys) # return nonzero if the system sys is single-input, single-output. # a s hodel July 1996, 1998 # $Revision: 2.0.0.2 $ # SYS_INTERNAL accesses members of system structure if(nargin != 1) usage("SISO = is_siso(sys)"); elseif( !is_struct(sys)) error("input must be a system structure (see ss2sys, tf2sys, zp2sys)"); endif [n,nz,m,p] = sysdimensions(sys); SISO = (m == 1 & p == 1); endfunction