matA : 
         0.2368          0.2471          0.2568          1.2671 
         1.1161          0.1254          0.1397           0.149 
         0.1582          1.1675          0.1768          0.1871 
         0.1968          0.2071          1.2168          0.2271 

Inversion(matA) : 
     -0.0859208        0.937944      -0.0684372      -0.0796077 
       -0.10559      -0.0885243        0.905983      -0.0991908 
      -0.127073       -0.111351       -0.116967        0.878425 
       0.851606       -0.135456       -0.140183       -0.143807 

Inversion(matA) * matA : 
              1   -2.42861e-017   -2.77556e-017    -3.1225e-017 
   1.73472e-017               1   -4.16334e-017    3.46945e-018 
              0   -2.77556e-017               1   -2.77556e-017 
  -2.08167e-017    1.73472e-017   -5.55112e-017               1 

cmatA : 
(0.2368,0.1345) (0.2471,0.1678) (0.2568,0.1825) (1.2671,1.1161) 
(1.1161,1.2671) (0.1254,0.2617) (0.1397,0.7024)  (0.149,0.2721) 
(0.1582,-0.2836) (1.1675,-1.1967) (0.1768,0.3558) (0.1871,-0.2078) 
(0.1968,0.3567) (0.2071,-1.2345) (1.2168,2.1185) (0.2271,0.4773) 

Inversion(cmatA) : 
(-0.000166154,0.0437188) (0.490758,-0.484665) (0.0205624,-0.269565) (-0.19001,0.127122) 
(-0.0707871,0.117074) (-0.0478357,0.149802) (0.558269,0.518356) (-0.0562662,-0.144273) 
(-0.177702,0.103559) (-0.143253,0.114798) (0.0735632,0.459489) (0.262187,-0.470442) 
(0.483786,-0.443136) (-0.032098,0.0412441) (-0.126404,-0.1192) (-0.000630771,0.0901346) 

Inversion(cmatA) * cmatA : 
(1,-2.08167e-017) (-2.77556e-017,-5.55112e-017)
	 (-1.11022e-016,-5.55112e-017) (-5.55112e-017,-3.46945e-017) 
(0,4.16334e-017) (1,0) (8.32667e-017,5.55112e-017) (6.93889e-017,4.16334e-017) 
(0,0) (0,1.11022e-016) (1,-4.16334e-017) (0,0) 
(0,0) (4.16334e-017,-2.08167e-017) (0,-2.77556e-017) (1,-3.46945e-017)