Letter to the Editor: comments on some recent methods for the simultaneous determination of polynomial zeros

Authors:
Miodrag S. Petković
Affiliations:
Faculty of Electronic Engineering, University of Nis, P.O. Box 73 Beogradska 14, 18000 Nis, Yugoslavia
Venue:
Journal of Computational and Applied Mathematics
Year:
2002

Citing 4
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A new simultaneous method of fourth order for finding complex zeros in circular interval arithmetic

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Abstract

In this note we give some comments on the recent results concerning a simultaneous method of the fourth-order for finding complex zeros in circular interval arithmetic. The main discussion is directed to a rediscovered iterative formula and its modification, presented recently in (Sun and Kosmol (J. Comput. Appl. Math. 130 (2001) 293)). The presented comments include some critical parts of the papers (Jpn. J. Indust. Appl. Math. 15 (1998) 295) and (Sun and Kosmol, 2001) which treat the same subject.