Mercurial > hg > ltpda

annotate m-toolbox/classes/@pzmodel/setZeros.m @ 21:8be9deffe989 database-connection-manager

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Update ltpda_uo.update
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % SETZEROS Set the property 'zeros' of a pole/zero model.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: SETZEROS Set the property 'zeros' of a pole/zero model.
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5 %
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6 % CALL: obj = obj.setZeros(zeros);
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7 %
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8 % INPUTS: obj - is a pzmodel object
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9 % zeros - cell-array --> {[f1,q1], f2, c3}
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10 % comma separated --> [f1,q1], f2, c3
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11 % zero-array --> [pz(f1,q1), pz(f2), pz(c3)]
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12 %
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13 % f: frequency
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14 % [f,q]: frequency and Q
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15 % c: complex representation
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16 %
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17 % EXAPLES: obj = obj.setZeros(3, [8 1]);
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18 % obj = obj.setZeros(3, [8 1], 7);
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19 % obj = obj.setZeros([pz(3), pz(8,1), pz(7)]);
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20 % obj = setZeros(obj, pz(2));
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21 %
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22 % <a href="matlab:utils.helper.displayMethodInfo('pzmodel', 'setZeros')">Parameters Description</a>
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23 %
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24 % VERSION: $Id: setZeros.m,v 1.10 2011/08/15 12:02:36 hewitson Exp $
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25 %
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26 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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27
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28 function varargout = setZeros(varargin)
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29
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30 %%% Check if this is a call for parameters
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31 if utils.helper.isinfocall(varargin{:})
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32 varargout{1} = getInfo(varargin{3});
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33 return
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34 end
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35
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 %%% Internal call: Only one object + don't look for a plist
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37 if utils.helper.callerIsMethod
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38
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39 %%% decide whether we modify the first object, or create a new one.
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40 varargin{1} = copy(varargin{1}, nargout);
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41
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42 for ii = 1:numel(varargin{1})
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43 if ~isempty(varargin{2})
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44 if isa(varargin{2}, 'pz')
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45 varargin{1}(ii).zeros = [varargin{2:end}];
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46 else
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47 varargin{1}(ii).zeros = pz(varargin(2:end));
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48 end
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49 end
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50 end
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51 varargout{1} = varargin{1};
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52 return
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53 end
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54
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55 import utils.const.*
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56 utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
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57
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58 % Collect input variable names
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59 in_names = cell(size(varargin));
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60 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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61
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62 % Collect all AOs
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63 [as, ao_invars,rest] = utils.helper.collect_objects(varargin(:), 'ltpda_tf', in_names);
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64 [pls, invars, rest] = utils.helper.collect_objects(rest(:), 'plist');
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65
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66 %%% If pls contains only one plist with the only key 'zeros' then set the
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67 %%% property with a plist.
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68 if length(pls) == 1 && isa(pls, 'plist') && nparams(pls) == 1 && isparam(pls, 'zeros')
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69 rest = find(pls, 'zeros');
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70 end
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71
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72 %%% Combine plists
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73 if isempty(pls)
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74 pls = plist('zeros', rest);
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75 else
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76 pls = pls.combine(plist('zeros', rest));
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77 end
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78
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79 % Decide on a deep copy or a modify
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80 bs = copy(as, nargout);
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81
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82 % Loop over AOs
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83 for j=1:numel(bs)
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84 if isa(rest{1}, 'pz')
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85 bs(j).zeros = rest{1};
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86 else
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87 bs(j).zeros = pz(rest);
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88 end
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89 bs(j).addHistory(getInfo('None'), pls, ao_invars(j), bs(j).hist);
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90 end
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91
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92 %%% Set output
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93 if nargout == numel(bs)
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94 % List of outputs
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95 for ii = 1:numel(bs)
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96 varargout{ii} = bs(ii);
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97 end
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98 else
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99 % Single output
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100 varargout{1} = bs;
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101 end
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102 end
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103
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104 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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105 % Local Functions %
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106 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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107 %--------------------------------------------------------------------------
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108 % Get Info Object
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109 %--------------------------------------------------------------------------
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110 function ii = getInfo(varargin)
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111
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112 if nargin == 1 && strcmpi(varargin{1}, 'None')
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113 sets = {};
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114 pl = [];
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115 else
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116 sets = {'Default'};
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117 pl = getDefaultPlist;
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118 end
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119 % Build info object
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120 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);
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121 end
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122
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123 %--------------------------------------------------------------------------
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124 % Get Default Plist
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125 %--------------------------------------------------------------------------
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126 function plout = getDefaultPlist()
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127 persistent pl;
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128 if exist('pl', 'var')==0 || isempty(pl)
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129 pl = buildplist();
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130 end
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131 plout = pl;
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132 end
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133
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134 function pl = buildplist()
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135 pl = plist();
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136 % Zeros
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137 p = param({'zeros', 'A zero-array of the model.'}, paramValue.EMPTY_DOUBLE);
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138 pl.append(p);
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139 end
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140