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LR algorithm with Laguerre shift for symmetric tridiagonal matrices
1972
Computer journal
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This paper presents an algorithm for finding the eigenvalues of tridiagonal symmetric matrices. The method is in fact Laguerre's method modified in such a way that the explicit calculations of the coefficients of characteristic polynomial are avoided. Each eigenvalue is evaluated by the iterative process with cubic rate of convergence.
doi:10.1093/comjnl/15.3.268
fatcat:eqpilmcsl5aknje2of35h6bbru