1. Matrix Computations;Golub,2013
2. Matrix Analysis;Horn,2012
3. The theory of Rayleigh’s principle as applied to continuous systems;Temple;Proc. R. Soc. Lond. Ser. A Math. Phys. Eng. Sci.,1928
4. On the upper and lower bounds of eigenvalues;Kato;J. Phys. Soc. Japan,1949
5. Bounds for the Rayleigh quotient and the spectrum of self-adjoint operators;Zhu;SIAM J. Matrix Anal. Appl.,2013