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annotate m-toolbox/test/test_ltpdamodel_inv.m @ 24:056f8e1e995e database-connection-manager

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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 % Test script for ltpdamodel/inv
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2 %
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3 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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4 % HISTORY: 02-10-2008 L Ferraioli
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5 % Creation
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6 %
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7 % $Id: test_ltpdamodel_inv.m,v 1.2 2009/05/25 15:11:33 luigi Exp $
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8 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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9 %% Build numeric test matrix
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10
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11 a=1;b=2;c=3;
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12 d=5;e=2;f=6;
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13 g=1;h=3;i=5;
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14 M=[a,b,c;d,e,f;g,h,i];
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15 iM = inv(M);
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16
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17 %% Equivalent ltpdamodel matrix
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18
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19 A = [ltpdamodel(plist('expression','a','params',{'a'},'values',{1},'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m'))),...
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20 ltpdamodel(plist('expression','b','params','b','values',2,'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m'))),...
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21 ltpdamodel(plist('expression','c','params',{'c'},'values',{3},'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m')));...
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22 ltpdamodel(plist('expression','d','params',{'d'},'values',{5},'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m'))),...
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23 ltpdamodel(plist('expression','e','params','e','values',2,'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m'))),...
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24 ltpdamodel(plist('expression','f','params',{'f'},'values',{6},'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m')));...
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25 ltpdamodel(plist('expression','g','params',{'g'},'values',{1},'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m'))),...
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26 ltpdamodel(plist('expression','h','params','h','values',3,'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m'))),...
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27 ltpdamodel(plist('expression','i','params',{'i'},'values',{5},'xvar','x','xvals',[1:10].','xunits','Hz','yunits',unit('m')))];
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28
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29 %% Do inverse and eval
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30
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31 iA = inv(A);
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32
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33 %% Numeric eval
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34
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35 imat = zeros(3,3);
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36 for ii=1:3
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37 for jj=1:3
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38 imat(ii,jj)=eval(iA(ii,jj).expr.s);
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39 end
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40 end
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41
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42 imat-iM
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43
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44 %% Symbolic test
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45
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46 B = A*iA;
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47
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48 %% Numeric eval
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49
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50 imat2 = zeros(3,3);
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51 for ii=1:3
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52 for jj=1:3
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53 imat2(ii,jj)=eval(B(ii,jj).expr.s);
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54 end
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55 end