问题标题：
求特征根和特征向量,我怎么算最大特征根的特征向量都是负的,高人能把过程写给我看看不,1.000000.869250.896810.922121.150421.000001.031711.060831.115060.969261.000001.028221.084450.942660.972551.00000
问题描述：
求特征根和特征向量,我怎么算最大特征根的特征向量都是负的,高人能把过程写给我看看不,
1.000000.869250.896810.92212
1.150421.000001.031711.06083
1.115060.969261.000001.02822
1.084450.942660.972551.00000
程章回答：
>>[v,d]=eig([1.000000.869250.896810.92212;
1.150421.000001.031711.06083;
1.115060.969261.000001.02822;
1.084450.942660.972551.00000])
v=
0.4592-0.1531+0.3688i-0.1531-0.3688i0.4875
0.5282-0.2406-0.0474i-0.2406+0.0474i-0.5857
0.51200.73990.7399-0.4523
0.4980-0.3267-0.3553i-0.3267+0.3553i0.4633
d=
4.0000000
00.0000+0.0000i00
000.0000-0.0000i0
000-0.0000
>>
最大特征值为4
v的第1列为对应的特征向量
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