matrixtoeplitzinversiontrench.dat

《计算机常用数值计算算法与程序 C++版》

matT : 
             10               5               4               3               2               1 
             -1              10               5               4               3               2 
             -2              -1              10               5               4               3 
             -3              -2              -1              10               5               4 
             -4              -3              -2              -1              10               5 
             -5              -4              -3              -2              -1              10 

matB = Inversion(matT) : 
      0.0946884      -0.0469953      -0.0137211      -0.0017727      0.00190745       0.0038019 
    -0.00427534       0.0949232      -0.0469003      -0.0137122     -0.00181915      0.00190745 
   -0.000988143     -0.00473167       0.0948032      -0.0469175      -0.0137122      -0.0017727 
      0.0017727    -0.000988082     -0.00474397       0.0948032      -0.0469003      -0.0137211 
      0.0130644      0.00209908    -0.000988082     -0.00473167       0.0949232      -0.0469953 
      0.0469986       0.0130644       0.0017727    -0.000988143     -0.00427534       0.0946884 

matI = matT * matB : 
              1    3.46741e-005     -0.00693481   -4.33681e-019   -5.11743e-017   -1.38778e-017 
    -0.00210127         1.00104     0.000339164     -0.00689547   -4.23289e-005   -8.43695e-005 
     0.00713412     -0.00560017         1.00002     0.000207183     -0.00675264     0.000240309 
    -0.00348283      0.00874343     -0.00512863         1.00008     0.000139531     -0.00688163 
  -8.66964e-005   -2.40994e-005      0.00970547     -0.00499818         1.00001    -0.000174668 
   5.55112e-017   -2.77556e-017    1.17961e-016      0.00970874          -0.005               1