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A=   
    70    51    64
    51    59    52
    64    52    64
ÔòÌØÕ÷ÏòÁ¿ÓëÌØÕ÷Öµ·Ö±ðΪ
VA =
    0.6153    0.4999    0.6095
    0.1559   -0.8351    0.5275
   -0.7727    0.2295    0.5918
DA =
    2.5474         0             0
         0      14.1819         0
         0            0       176.2708
·­×ªºóµÄ¾ØÕóΪ
B =
    64    52    64
    51    59    52
    70    51    64
ÆäÌØÕ÷ÏòÁ¿ÓëÌØÕ÷Öµ·Ö±ðΪ
VB =
   -0.5920   -0.6445    0.2778
   -0.5278   -0.1055   -0.8411
   -0.6091    0.7573    0.4641
DB =
  176.2171         0             0
         0       -2.6835           0
         0              0        13.4664
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