matlab求矩陣特征值和特征向量
>> A1
A1 =
1 2 2
2 1 -2
2 -2 1
>>
>>
>> [X,B]=eig(A1)
X =
0.5774 -0.5661 0.5883
-0.5774 -0.7926 -0.1961
-0.5774 0.2265 0.7845
B =
-3.0000 0 0
0 3.0000 0
0 0 3.0000
>>