Conclusions
A method combining iterations of the Laguerre and modified Laguerre root-finding methods was developed to correct a problem of the modified Laguerre method with “paired approximations”. Experimental results indicate that this hybrid Laguerre method successfully separates approximation pairs which inhibit convergence in the modified Laguerre method.
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References
E. Hansen, M. Patrick and J. Rusnak,Some modifications of Laguerre's method, BIT 17 (1977), 409–417.
M. Leuze,Memory access patterns in vector machines with applications to problems in linear algebra, Ph.D. dissertation, Duke University, 1981.
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Leuze, M.R. A hybrid laguerre method. BIT 23, 132–138 (1983). https://doi.org/10.1007/BF01937332
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DOI: https://doi.org/10.1007/BF01937332