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annotate m-toolbox/classes/@parfrac/fromPzmodel.m @ 8:2f5c9bd7d95d database-connection-manager

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Clarify ltpda_uo.retrieve parameters handling
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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2 %
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3 % FUNCTION: fromPzmodel
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4 %
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5 % DESCRIPTION: Construct a parfrac from a pzmodel
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6 %
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7 % CALL: r = fromPzmodel(a, pl)
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8 %
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9 % PARAMETER: pl - plist
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10 %
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11 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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12 function r = fromPzmodel(r, pli)
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13
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14 VERSION = '$Id: fromPzmodel.m,v 1.15 2011/08/15 12:31:51 hewitson Exp $';
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15
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16
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17 % get pzmodel info
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18 ii = parfrac.getInfo('parfrac', 'From Pzmodel');
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19
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20 % Set the method version string in the minfo object
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21 ii.setMversion([VERSION '-->' ii.mversion]);
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22
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23 % Combine input plist with default values
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24 pl = applyDefaults(ii.plists, pli);
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25
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26 % Set fields
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27 pzm = find(pl, 'pzmodel');
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28
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29 %--- Convert to parfrac
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30
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31 ps = [];
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32 zs = [];
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33 if ~isempty(pzm.poles(:))
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34 ps = vertcat(pzm.poles(:).ri);
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35 end
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36 if ~isempty(pzm.zeros(:))
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37 zs = vertcat(pzm.zeros(:).ri);
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38 end
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39
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40 % get math gain out of the pzmodel
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41 gs = utils.math.getk(zs,ps,pzm.gain);
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42 [res, poles, dterms, pmul] = utils.math.cpf('INOPT', 'PZ', ...
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43 'POLES', ps, ...
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44 'ZEROS', zs, ...
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45 'GAIN', gs, ...
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46 'MODE', 'SYM');
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47
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48 r.res = res;
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49 r.poles = poles;
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50 r.pmul = pmul;
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51 r.dir = dterms;
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52
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53 % Set other properties
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54 if isempty(pl.find('ounits'))
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55 pl.pset('ounits', pzm.ounits);
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56 end
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57
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58 if isempty(pl.find('iunits'))
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59 pl.pset('iunits', pzm.iunits);
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60 end
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61
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62 if isempty(pl.find('name'))
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63 pl.pset('name', sprintf('parfrac(%s)', pzm.name));
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64 end
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65
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66 if isempty(pl.find('description'))
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67 pl.pset('description', pzm.description);
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68 end
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69
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70 % Add history
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71 r.addHistory(ii, pl, [], pzm.hist);
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72
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73 % Set object properties
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74 r.setObjectProperties(pl);
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75
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76 end