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annotate m-toolbox/test/test_ltpdamodel.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 mc
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2
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3 %% Build a model
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4
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5
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6 m = ltpdamodel('a+b*t');
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7 m.params = {'a', 'b'};
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8 m.values = {1, 1};
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9 m.xvar = 't';
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10 m.xvals = 0:99;
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11
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12 m
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13
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14 %% Test subs
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15 ms1 = m.subs(plist('params', 'a', 'values', 1))
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16 % ms1.subs(plist('params', 'b', 'values', 2))
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17
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18 %% Test subs
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19 ms2 = m.subs(plist('params', 'all'))
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20
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21 %% Test subs
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22 ms3 = m.subs(plist('params', {'a', 'b'}, 'values', {1, 2:10}))
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23
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24 %% ltpdamodel.*ao
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25 a = ao(1:19)
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26 md = ltpdamodel('y')
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27 md.setParams('y', {a.y})
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28
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29
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30 mdd =ms3.*md
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31
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32 % Nicer
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33 mdd = ms3.*a
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34
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35 % and
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36 mdd = ms3+3
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37
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38
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39
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40 %% Test eval for tsdata
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41
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42 a = eval(m)
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43
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44 %% Test eval for tsdata in a loop
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45
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46 for kk=1:10
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47 tic
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48 ms3 = m.subs(plist('params', {'a', 'b'}, 'values', {kk, kk}));
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49 toc
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50 tic
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51 a = eval(ms3);
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52 toc
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53 end
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54
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55
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56 %% Test for curvefit
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57
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58 mc
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59
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60 Nsecs = 100;
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61 fs = 10;
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62
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63 m1 = ltpdamodel('a+b.*t.^1.1 -c*t');
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64 m1.setParams({'a', 'b', 'c'}, {1.4, 2, 4});
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65
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66 m1.setXvar('t');
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67 m1.setXvals(linspace(0, Nsecs-1/fs, Nsecs*fs))
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68
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69 % Make test data
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70 a = m1.eval + ao(plist('tsfcn', 'randn(size(t))', 'fs', fs, 'nsecs', Nsecs));
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71
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72 p = curvefit2(a, plist('Function', m1, 'p0', [1 1 1]))
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73
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74 b = m1.setValues(p).eval;
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75 iplot(a,b)
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76
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