A two-step Steffensen's method under modified convergence conditions |
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Authors: | S. Amat S. Busquier |
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Affiliation: | Departamento de Matemática Aplicada y Estadística, Universidad Politécnica de Cartagena, Spain |
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Abstract: | A simplification of a third order iterative method is proposed. The main advantage of this method is that it does not need to evaluate neither any Fréchet derivative nor any bilinear operator. A semilocal convergence theorem in Banach spaces, under modified Kantorovich conditions, is analyzed. A local convergence analysis is also performed. Finally, some numerical results are presented. |
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Keywords: | Third-order iterative methods Convergence Banach spaces |
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