One-Parameter Third-Order Iterative Methods for Solving Nonlinear Equations

J. An, Yuan Yuan
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Abstract

In this paper, we present a modification of the two-step Newton's method which produces a class of one-parameter iterative methods for solving nonlinear equations. An interpolating polynomial is constructed to avoid the evaluation of derivative. The convergence analysis shows that the new methods are third-order convergent and require one function and two first derivative evaluations per iteration. Several numerical examples are given to illustrate the performance of the presented methods.
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求解非线性方程的单参数三阶迭代法
本文给出了对两步牛顿法的一种改进,得到了求解非线性方程的一类单参数迭代方法。构造了插值多项式,避免了求导的求值。收敛性分析表明,新方法具有三阶收敛性,且每次迭代只需要一个函数和两次一阶导数求值。数值算例说明了所提方法的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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