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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: eigenvalues of left and right eigenvectors are not same
Replies: 1   Last Post: Apr 9, 2013 2:01 AM

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Wenxu Li

Posts: 11
Registered: 5/13/10
eigenvalues of left and right eigenvectors are not same
Posted: Apr 8, 2013 11:10 PM
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Hi,

I have a problem wrt eigenvalue calculation using the eig() function. I have two complex matrix A and B, both of which are of size 576x576 . I calculated the right eigenvectors and eigenvalues using eig(A,B) and the left eigenvectors and eigenvalues using eig(A.',B.'). I assume the eigenvalues calculated should be same. I have proved this from a trial of two small 3x3 complex matrix. But for the A and B, I got some close eigenvalues and also very different ones. I do not know why?
Any idea on this is appreciated. Thanks

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