Mercurial > octave-nkf
view scripts/control/sysgettype.m @ 3425:8625164a0a39
[project @ 2000-01-13 08:31:37 by jwe]
author | jwe |
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date | Thu, 13 Jan 2000 08:32:16 +0000 |
parents | 1a8e2c0d627a |
children |
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## Copyright (C) 1998 Auburn University. All rights reserved. ## ## 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, 59 Temple Place, Suite 330, Boston, MA 02111 USA. ## -*- texinfo -*- ## @deftypefn {Function File} {@var{systype} =} sysgettype (@var{sys}) ## return the initial system type of the system ## ## @strong{Inputs} ## @var{sys}: system data structure ## ## @strong{Outputs} ## @var{systype}: string indicating how the structure was initially ## constructed: ## values: @code{"ss"}, @code{"zp"}, or @code{"tf"} ## ## @strong{Note} FIR initialized systems return @code{systype="tf"}. ## @end deftypefn function systype = sysgettype (sys) if(!is_struct(sys)) error("sysgettype: input sys is not a structure"); endif typestr = list("tf","zp","ss"); systype = nth(typestr,sys.sys(1) + 1); endfunction