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Mathematics of Computation

ISSN 1088-6842(online) ISSN 0025-5718(print)



A globally convergent method for simultaneously finding polynomial roots

Authors: L. Pasquini and D. Trigiante
Journal: Math. Comp. 44 (1985), 135-149
MSC: Primary 65H05
MathSciNet review: 771036
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Abstract: A new method for the simultaneous approximation of all the roots of a polynomial is given. The method converges for almost every initial approximation, the set of the exceptional starting points being a closed set of measure zero, at least if all the polynomial roots are real and simple. The method exhibits quadratic convergence not only to simple, but also to multiple roots.

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Article copyright: © Copyright 1985 American Mathematical Society