Do anyone has an example of nxn hermitian matrix with complex entries which has repeated eigenvalues?
If can make the n as small as possible. Thank you
Do anyone has an example of nxn hermitian matrix with complex entries which has repeated eigenvalues?
If can make the n as small as possible. Thank you
But if I would like to have entries such as 2+i or other which will involve the term i ?
If is hermitian all its eigenvalues belong to and is diagonalizable.
If you mean that has only one repeated eigenvalue (therefore ) then, is similar to that is, there exists non singular such that or equivalently so, has to be a real and scalar matrix.