Kohaupt L. Generalized Rayleigh-quotient Formulas for the Real Parts, Imaginary Parts, and Moduli of the Eigenvalues of Diagonalizable Matrices. JAM [Internet]. 2018 Jun. 13 [cited 2025 Jul. 17];14(2):7702-28. Available from: https://www.rajpub.com/index.php/jam/article/view/7373