1 | #include <itpp/itbase.h> |
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2 | #include <estim/libKF.h> |
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3 | |
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4 | using namespace itpp; |
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5 | |
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6 | //These lines are needed for use of cout and endl |
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7 | using std::cout; |
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8 | using std::endl; |
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9 | |
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10 | int main() { |
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11 | |
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12 | |
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13 | // Klaman filter |
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14 | mat A, B,C,D,R,Q,P0; |
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15 | vec mu0; |
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16 | mat Mu0;; |
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17 | // input from Matlab |
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18 | it_file fin( "testKF.it" ); |
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19 | |
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20 | mat Dt, Xt,Xt2,XtE; |
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21 | int Ndat; |
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22 | |
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23 | bool xxx= fin.seek( "d" ); |
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24 | if (!xxx){ it_error("testKF.it not found");} |
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25 | fin >>Dt; |
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26 | fin.seek( "A" ); |
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27 | fin >> A; |
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28 | fin.seek( "B" ); |
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29 | fin >> B; |
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30 | fin.seek( "C" ); |
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31 | fin >> C; |
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32 | fin.seek( "D" ); |
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33 | fin >> D; |
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34 | fin.seek( "R" ); |
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35 | fin >> R; |
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36 | fin.seek( "Q" ); fin >> Q; |
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37 | fin.seek( "P0" ); fin >> P0; |
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38 | fin.seek( "mu0" ); fin >> Mu0; |
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39 | mu0=Mu0.get_col(0); |
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40 | |
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41 | Ndat = Dt.cols(); |
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42 | Xt=zeros( 2,Ndat ); |
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43 | Xt2=zeros( 2,Ndat ); |
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44 | XtE=zeros( 2,Ndat ); |
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45 | |
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46 | // cout << KF; |
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47 | RV rx("1","{x}","2","0","0"); |
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48 | RV ru("2","{u}","1","0","0"); |
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49 | RV ry("3","{y}","1","0","0"); |
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50 | // |
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51 | Kalman<ldmat> KF(rx,ry,ru); |
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52 | KF.set_parameters(A,B,C,D,ldmat(R),ldmat(Q)); |
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53 | KF.set_est(mu0,ldmat(P0) ); |
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54 | // |
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55 | Kalman<fsqmat> KFf(rx,ry,ru); |
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56 | KFf.set_parameters(A,B,C,D,fsqmat(R),fsqmat(Q)); |
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57 | KFf.set_est(mu0,fsqmat(P0) ); |
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58 | // |
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59 | KalmanFull KF2( A,B,C,D,R,Q,P0,mu0 ); |
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60 | // |
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61 | bilinfn fxu(rx,ru,A,B); |
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62 | bilinfn hxu(rx,ru,C,D); |
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63 | EKF<ldmat> KFE(rx,ry,ru); |
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64 | KFE.set_parameters(&fxu,&hxu,Q,R); |
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65 | KFE.set_est(mu0,P0); |
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66 | |
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67 | Xt.set_col( 0,*((enorm<ldmat>*)(KF._epdf()))->_mu() ); |
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68 | Xt2.set_col( 0,KF2.mu ); |
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69 | XtE.set_col( 0,*((enorm<ldmat>*)(KFE._epdf()))->_mu() ); |
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70 | for ( int t=1;t<Ndat;t++ ) { |
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71 | KFf.bayes( Dt.get_col( t )); |
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72 | KF.bayes( Dt.get_col( t )); |
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73 | KF2.bayes( Dt.get_col( t )); |
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74 | // KFE.bayes( Dt.get_col( t )); |
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75 | Xt.set_col(t,*((enorm<ldmat>*)(KF._epdf()))->_mu()); |
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76 | Xt2.set_col(t,KF2.mu); |
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77 | XtE.set_col(t,*((enorm<ldmat>*)(KFE._epdf()))->_mu()); |
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78 | } |
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79 | |
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80 | it_file fou( "testKF_res.it" ); |
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81 | fou << Name("xth") << Xt; |
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82 | fou << Name("xth2") << Xt2; |
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83 | fou << Name("xthE") << XtE; |
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84 | //Exit program: |
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85 | return 0; |
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86 | |
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87 | } |
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