k = 5;
A = cell(k,1);
A{1} = ...
[
   -0.6644    1.8700    0.9961    0.3994 ;
    0.7182   -0.4359    1.4181    2.8156 ;
   -0.3540    0.0814   -0.0467   -0.2702 ;
    0.6520    0.5917    0.3008    0.9993 ;
    0.2114    0.8144    0.1796    0.0884 ;
   -0.6883   -0.4285    0.3463   -1.1669 ;
   -1.8142   -0.2361    0.3262    1.0060 ;
    0.1126    1.2594   -1.8853    0.0871 ;
   -1.4242   -0.4530    0.3006   -0.1879 ;
    0.6874    0.2440   -0.3653    0.1439 ;
   -0.9338    1.1333    1.2025    0.2099 ;
   -1.1309    0.3776   -1.2362    1.7576 ;
   -0.1254   -0.2801   -1.1200    0.0694 ;
   -1.0012    0.0407    1.9464   -0.6552 ;
    0.4806    1.1190    0.3731   -1.8143 ;
    0.2676   -0.6773    0.1483    0.6677 ;
   -1.2432   -1.3647   -2.6433   -0.8664 ;
   -1.1590    0.2037    0.3205   -0.7596 ;
    0.0380    2.2201   -0.0185   -0.9538 ;
    0.4341    0.9054   -0.3392    1.3676 ;
   -1.3524   -0.6790    0.2598    0.9721 ;
   -0.9208    0.9904    0.4671   -0.4598 ;
   -1.4340    0.1975    0.1793   -1.6508 ;
    1.0262   -0.7254   -0.4563    0.6674 ;
    0.4256   -1.5726    0.7726    0.3570 ;
    0.1330    0.8597   -0.2255   -0.7777 ;
   -0.4209    1.2883    0.4901   -0.4873 ;
   -0.4579   -0.5530    0.3037   -0.6918 ;
    0.3555    0.8778    0.7589    0.5879 ;
    2.0973    2.0835    0.7277   -0.4115 ;
   -1.2096   -1.6843   -0.3891   -2.2157 ;
   -0.0812   -2.6836   -0.1497    0.8299 ;
];
A{2} = ...
[
   -0.2861    1.1370    1.5583   -0.3711 ;
    0.0547   -0.5554    0.7301   -1.0801 ;
    1.0758    0.7197    0.8629   -2.1192 ;
   -0.4956   -0.4171    0.9808    0.5181 ;
    0.0132    0.1002    0.4436   -0.3861 ;
    0.3358    0.6041   -0.9672   -0.6702 ;
   -0.2054   -0.2442    1.9540    0.3363 ;
   -0.0305    0.1398    0.7546    0.3194 ;
   -1.0714    0.4203   -0.2099   -0.4149 ;
   -1.2313   -0.9321    0.1323   -0.4441 ;
   -0.1592    1.1383   -0.1454    0.3676 ;
    0.1900    0.0559    1.0500   -0.3950 ;
    0.1264   -0.7886   -0.4914   -1.1380 ;
   -1.1764    0.0093   -1.4448   -0.2718 ;
    0.3009   -0.0553   -0.9477   -0.4813 ;
    0.7670    0.8936   -0.9622    0.3955 ;
   -0.1502   -0.3339   -0.2009    0.4335 ;
    0.8569   -0.7790   -0.4427    1.1683 ;
   -1.1667   -0.6763   -0.6016   -0.2676 ;
   -0.1498   -0.2818   -0.7091    0.0392 ;
   -0.2972    0.9325    0.0765    0.8014 ;
    0.1313    0.4463    0.3389    0.3659 ;
   -1.2811   -0.6847    0.2868   -0.9594 ;
    2.3425    0.4065    0.5574   -0.7954 ;
    0.7566   -0.3958   -0.2258   -1.2664 ;
];
A{3} = ...
[
   -1.3280   -0.5989    0.2169    0.5475 ;
    1.4109    0.9353    0.3606   -0.9681 ;
   -0.1467    1.8599    0.2930   -1.0998 ;
   -0.4758   -1.2427   -0.4778    0.3715 ;
    0.1853    0.5908    0.3095    0.2882 ;
   -1.3108   -1.2228    0.0879   -1.1164 ;
   -0.9749    0.2001   -0.5024    1.0721 ;
   -2.0941   -0.4562    0.4052    1.6143 ;
    0.4028   -1.2215    0.3444   -0.4967 ;
   -0.0678   -0.4143    0.1667   -0.2939 ;
   -0.9182   -1.0034   -0.0751    1.1710 ;
   -0.5352    0.3099    0.8321   -1.4049 ;
];
A{4} = ...
[
   -0.8510   -0.0403    2.5650    0.3855 ;
    0.9647   -0.0513    0.0879    1.2502 ;
    0.5501   -0.7443    0.8913    1.1409 ;
   -1.3389   -0.3509    0.9422   -0.0726 ;
   -0.3166    0.1275    1.3118    1.3684 ;
    2.2164   -0.6480   -0.5326    1.8720 ;
    1.2491    0.9754    1.5733    0.8682 ;
   -0.1091    0.7362   -0.8239    0.2896 ;
    1.3451   -0.0163   -0.0517   -0.5630 ;
   -0.6375   -0.7660    0.4125   -0.2407 ;
   -0.5011   -2.0216   -0.5269   -0.7124 ;
   -0.7106    0.1988   -0.1286    2.3354 ;
   -0.9994   -1.1397    1.2694   -0.3466 ;
   -2.3407    1.3229   -1.6487   -0.2309 ;
   -0.6995    0.0220    1.1608   -1.6002 ;
    0.8017    0.4401    1.4985    1.9175 ;
   -0.6808    0.7781    1.0863   -1.2020 ;
    1.6192   -0.4942    1.6269    1.0827 ;
   -0.5158    1.4449    0.4964    0.3181 ;
   -0.9303    1.5754    0.4455   -0.0625 ;
   -1.1808   -0.0403    0.6524    0.4837 ;
];
A{5} = ...
[
   -0.9517    0.3956    1.3686    0.2912 ;
    0.9457    1.1461    1.9955   -1.0805 ;
   -0.0344    0.7539   -0.3781   -1.2814 ;
   -0.4202   -0.5562   -0.4935   -0.9169 ;
   -0.4479   -0.2466   -1.6644   -0.4938 ;
    0.2082   -1.3979   -1.0071   -0.0486 ;
    1.7038   -2.3244    0.3925   -2.2812 ;
    0.1276   -1.0335    1.5977   -1.2193 ;
   -1.4317   -1.0681    0.4588   -0.6226 ;
    0.9581   -0.2882   -1.2286    1.7393 ;
    0.3967   -2.2675   -0.6563   -1.6016 ;
    1.5519    0.5008   -2.6588    0.2641 ;
   -0.3185   -1.0269    1.0542    0.3179 ;
   -1.0390    0.0004   -1.4530   -0.3431 ;
   -1.6880    0.5583   -1.6988   -0.1450 ;
    0.6541    0.4748   -0.1762    2.0201 ;
    0.1338   -1.2658   -0.2075    0.4913 ;
   -0.6743    2.0610    0.7731    1.3966 ;
    0.2743   -0.6553    0.2057    1.1223 ;
   -1.5911    0.8782    1.1268    0.4539 ;
    0.3308    0.2127    1.0084    1.0264 ;
    0.2471    1.4018    0.0657    2.6878 ;
];
xhat = cell(k,1);
xhat{1} = ...
[
    3.9857 ;
    1.9991 ;
    0.9879 ;
    2.9804 ;
];
xhat{2} = ...
[
    3.9840 ;
    2.0356 ;
    0.9898 ;
    2.9764 ;
];
xhat{3} = ...
[
    3.9361 ;
    2.0778 ;
    1.0183 ;
    3.0632 ;
];
xhat{4} = ...
[
    3.9496 ;
    2.0236 ;
    1.0357 ;
    3.0238 ;
];
xhat{5} = ...
[
    4.0403 ;
    2.0089 ;
    0.9549 ;
    3.0229 ;
];