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view m-toolbox/classes/@pzmodel/setZeros.m @ 37:a4b7ceae0403 database-connection-manager
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author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | f0afece42f48 |
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% SETZEROS Set the property 'zeros' of a pole/zero model. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DESCRIPTION: SETZEROS Set the property 'zeros' of a pole/zero model. % % CALL: obj = obj.setZeros(zeros); % % INPUTS: obj - is a pzmodel object % zeros - cell-array --> {[f1,q1], f2, c3} % comma separated --> [f1,q1], f2, c3 % zero-array --> [pz(f1,q1), pz(f2), pz(c3)] % % f: frequency % [f,q]: frequency and Q % c: complex representation % % EXAPLES: obj = obj.setZeros(3, [8 1]); % obj = obj.setZeros(3, [8 1], 7); % obj = obj.setZeros([pz(3), pz(8,1), pz(7)]); % obj = setZeros(obj, pz(2)); % % <a href="matlab:utils.helper.displayMethodInfo('pzmodel', 'setZeros')">Parameters Description</a> % % VERSION: $Id: setZeros.m,v 1.10 2011/08/15 12:02:36 hewitson Exp $ % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function varargout = setZeros(varargin) %%% Check if this is a call for parameters if utils.helper.isinfocall(varargin{:}) varargout{1} = getInfo(varargin{3}); return end %%% Internal call: Only one object + don't look for a plist if utils.helper.callerIsMethod %%% decide whether we modify the first object, or create a new one. varargin{1} = copy(varargin{1}, nargout); for ii = 1:numel(varargin{1}) if ~isempty(varargin{2}) if isa(varargin{2}, 'pz') varargin{1}(ii).zeros = [varargin{2:end}]; else varargin{1}(ii).zeros = pz(varargin(2:end)); end end end varargout{1} = varargin{1}; return end import utils.const.* utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename); % Collect input variable names in_names = cell(size(varargin)); for ii = 1:nargin,in_names{ii} = inputname(ii);end % Collect all AOs [as, ao_invars,rest] = utils.helper.collect_objects(varargin(:), 'ltpda_tf', in_names); [pls, invars, rest] = utils.helper.collect_objects(rest(:), 'plist'); %%% If pls contains only one plist with the only key 'zeros' then set the %%% property with a plist. if length(pls) == 1 && isa(pls, 'plist') && nparams(pls) == 1 && isparam(pls, 'zeros') rest = find(pls, 'zeros'); end %%% Combine plists if isempty(pls) pls = plist('zeros', rest); else pls = pls.combine(plist('zeros', rest)); end % Decide on a deep copy or a modify bs = copy(as, nargout); % Loop over AOs for j=1:numel(bs) if isa(rest{1}, 'pz') bs(j).zeros = rest{1}; else bs(j).zeros = pz(rest); end bs(j).addHistory(getInfo('None'), pls, ao_invars(j), bs(j).hist); end %%% Set output if nargout == numel(bs) % List of outputs for ii = 1:numel(bs) varargout{ii} = bs(ii); end else % Single output varargout{1} = bs; end end %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Local Functions % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %-------------------------------------------------------------------------- % Get Info Object %-------------------------------------------------------------------------- function ii = getInfo(varargin) if nargin == 1 && strcmpi(varargin{1}, 'None') sets = {}; pl = []; else sets = {'Default'}; pl = getDefaultPlist; end % Build info object ii = minfo(mfilename, 'pzmodel', 'ltpda', utils.const.categories.helper, '$Id: setZeros.m,v 1.10 2011/08/15 12:02:36 hewitson Exp $', sets, pl); end %-------------------------------------------------------------------------- % Get Default Plist %-------------------------------------------------------------------------- function plout = getDefaultPlist() persistent pl; if exist('pl', 'var')==0 || isempty(pl) pl = buildplist(); end plout = pl; end function pl = buildplist() pl = plist(); % Zeros p = param({'zeros', 'A zero-array of the model.'}, paramValue.EMPTY_DOUBLE); pl.append(p); end