6-32  A棬AĶ±ߵĳʾ
⣺Enterȷϡ
A= [1 2 3 4;5 6 7 8;0 1 0 0;1 1 1 2]
>> A= [1 2 3 4;5 6 7 8;0 1 0 0;1 1 1 2]
A =
     1     2     3     4
     5     6     7     8
     0     1     0     0
     1     1     1     2
>>  B=inv(A)
B =
   -0.7500    0.2500   -0.5000    0.5000
         0         0    1.0000         0
    0.2500    0.2500   -0.5000   -1.5000
    0.2500   -0.2500    0.0000    1.0000
>>
