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annotate m-toolbox/classes/@ao/fromTSfcn.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 % FROMTSFCN Construct an ao from a ts-function string
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % FUNCTION: fromTSfcn
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5 %
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6 % DESCRIPTION: Construct an ao from a ts-function string
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7 %
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8 % CALL: a = fromTSfcn(pl)
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9 %
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10 % PARAMETER: pl: Parameter list object
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11 %
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12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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13 function a = fromTSfcn(a, pli)
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14
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15 VERSION = '$Id: fromTSfcn.m,v 1.25 2011/08/16 06:13:02 hewitson Exp $';
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16
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17 % get AO info
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18 ii = ao.getInfo('ao', 'From Time-series Function');
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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 % Add default values
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24 pl = applyDefaults(ii.plists, pli);
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25 pl.getSetRandState();
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26
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27 nsecs = find(pl, 'nsecs');
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28 fs = find(pl, 'fs');
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29 fcn = find(pl, 'tsfcn');
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30 t0 = find(pl, 't0');
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31 toffset = find(pl, 'toffset');
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32
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33 % Build t vector
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34 if isempty(nsecs) || nsecs == 0
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35 error('### Please provide ''Nsecs'' for ts-function constructor.');
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36 end
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37 if isempty(fs) || fs == 0
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38 error('### Please provide ''fs'' for ts-function constructor.');
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39 end
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40
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41
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42 % make time vector
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43 t = [0:1/fs:nsecs-1/fs]';
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44
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45 % make y data
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46 y = eval([fcn ';']);
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47
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48 % if the user passed a string which is not a function of t, then a
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49 % constant value is calculated
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50 if numel(t) ~= numel(y)
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51 if numel(y) == 1
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52 disp('The function input is not a function of t; a constant value is calculated.');
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53 y = y*ones(size(t));
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54 else
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55 error('### The function input size does not match the time base size');
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56 end
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57 end
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58
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59 % Make an analysis object
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60 a.data = tsdata(t,y);
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61
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62 % set t0
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63 a.setT0(t0);
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64
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65 % set toffset
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66 a.setToffset(toffset);
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67
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68 % Set xunits and yunits
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69 a.setXunits(pl.find('xunits'));
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70 a.setYunits(pl.find('yunits'));
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71
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72 % Add history
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73 a.addHistory(ii, pl, [], []);
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74 % Set object properties from the plist
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75 a.setObjectProperties(pl);
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76
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77 end
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78
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