how to find eigenvalue and eigenvectors from Hermitian photo ??

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Anas A.Salam
Anas A.Salam 2013-3-28
hello i have some problems and i don't know how to solve it so if you know some thing please help me:) my problem is: i have the photo as you can see it and i want to find eigenvalue and eigenvectors as Hermitian so what is the code to find them ?? by the way i have another question, when i try to use
[V,D] = eig(A,B,flag)
and i used 'chol', what is B should be ?? note that i use attach photo as A.

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Matt J
Matt J 2013-3-28
I'm pretty sure that
[V,D] = eig(A)
is smart enough to check whether your A matrix is Hermitian, but you could do
[V,D] =eig(A, eye(size(A)), 'chol')
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Matt J
Matt J 2013-3-30
编辑：Matt J 2013-3-30
If you're getting real eigenvectors right now, one way to obtain a complex ones is to multiply them by i=sqrt(-1). Remember that if v is an eigenvector, then so is c*v for any scalar, c, real or complex.

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