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In this paper, we combine Graeffe matrices with the classical numerical method of Dandelin-Graeffe to estimate bounds for the moduli of the zeros of polynomials. Furthermore, we give some examples showing significant gain for the convergence towards the polynomials dominant zeros moduli.

KEYWORDS

Graeffe Matrices, Numerical Approximation of Eigenvalues, Dandelin-Graeffe’s Method, Bounds of Zeros of Polynomial

Cite this paper

Tessa, O. , Salou, M. and Amidou, M. 2014 Estimated Bounds for Zeros of Polynomials from Traces of Graeffe Matrices. Advances in Linear Algebra & Matrix Theory, 4, 210-215. doi: 10.4236-alamt.2014.44019.





Autor: Ousmane Moussa Tessa1*, Maimouna Salou1, Morou Amidou2

Fuente: http://www.scirp.org/



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