Under the hypotheses that the second-order and third-order derivatives of a function are bounded, an estimate of the radius of the convergence ball of Ostrowski-Traub’s method is obtained. An error analysis is given which matches the convergence order of the method. Finally, two examples are provided to show applications of our theorem.
BI Weihong WU Qingbiao REN Hongmin Department of Mathematics Zhejiang University Hangzhou China Department of Information and Electronics Hangzhou Radio and TV University Hangzhou China
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BI Weihong WU Qingbiao REN Hongmin Department of Mathematics Zhejiang University Hangzhou China Department of Information and Electronics Hangzhou Radio and TV University Hangzhou China
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Zhejiang Univ, Dept Math, Hangzhou 310027, Peoples R ChinaZhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China
Bi Wei-hong
Wu Qing-biao
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Zhejiang Univ, Dept Math, Hangzhou 310027, Peoples R ChinaZhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China
Wu Qing-biao
Ren Hong-min
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Hangzhou Radio & TV Univ, Dept Elect & Informat, Hangzhou 310012, Zhejiang, Peoples R ChinaZhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China