Is every matrix diagnosable, was unitary unitary diagonalization? I think it's not true... especially over field C, but I can't point on that matrix. Thank you(again!)
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Originally Posted by Also sprach Zarathustra Is every matrix diagnosable, was unitary unitary diagonalization? I think it's not true... especially over field C, but I can't point on that matrix. Thank you(again!) If you meant to ask whether any diagonalizable matrix is unitarily diagonalizable then the answer is no: Theorem: A square complex matrix is unitarily diagonalizable iff it is normal. Tonio
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