matrixsymmetryregularinversion.dat

《计算机常用数值计算算法与程序 C++版》

matA: 
              5               7               6               5 
              7              10               8               7 
              6               8              10               9 
              5               7               9              10 
 K = 1 	 Determinant = 5
 K = 2	 Determinant = 1
 K = 3	 Determinant = 2
 K = 4	 Determinant = 1

Inversion(matA) : 
             68             -41             -17              10 
            -41              25              10              -6 
            -17              10               5              -3 
             10              -6              -3               2 

Inversion(matA) * matA : 
              1    5.68434e-014    5.68434e-014    1.42109e-014 
  -1.77636e-014               1   -5.68434e-014   -2.13163e-014 
  -3.55271e-015   -1.77636e-014               1   -7.10543e-015 
   3.55271e-015    1.77636e-014    1.06581e-014               1