Matrices, Eigenvectors and Eigenvalues



Hello Everyone,

I have a question regarding eigenvectors. (assume we are working in Cn
- complex set of numbers)

I have seen that if your system (matrix) is hermitian, skew-hermitian
or unitary, the corresponding eigenvectors for your system form a basis
for n-space (assuming your matrix is n x n)

I'm wondering if this result of forming a basis is exclusive to these
three matrix types, or is it possible to have a system that doesn't
have one of the three characteristics listed above, but still form a
basis?

Any references to textbooks is always welcome!

Thanks
-Jon

.



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