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相关论文: Solving nonlinear equations by a derivative-free f…

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In this paper, we present a three-point without memory iterative method based on Kung and Traub's method for solving non-linear equations in one variable. The proposed method has eighth-order convergence and costs only four function…

数值分析 · 数学 2015-08-10 Gunar Matthies , Mehdi Salimi , Somayeh Sharifi , Juan Luis Varona

We present a three-point iterative method without memory for solving nonlinear equations in one variable. The proposed method provides convergence order eight with four function evaluations per iteration. Hence, it possesses a very high…

数值分析 · 数学 2016-02-24 Gunar Matthies , Mehdi Salimi , Somayeh Sharifi , Juan Luis Varona

The prime objective of this paper is to design a new family of eighth-order iterative methods by accelerating the order of convergence and efficiency index of well existing seventh-order iterative method of \cite{Soleymani1} without using…

数值分析 · 数学 2014-03-28 Anuradha Singh , J. P. Jaiswal

We introduce a new class of optimal iterative methods without memory for approximating a simple root of a given nonlinear equation. The proposed class uses four function evaluations and one first derivative evaluation per iteration and it…

数值分析 · 数学 2014-10-13 Somayeh Sharifi , Mehdi Salimi , Stefan Siegmund , Taher Lotfi

We construct two optimal Newton-Secant like iterative methods for solving non-linear equations. The proposed classes have convergence order four and eight and cost only three and four function evaluations per iteration, respectively. These…

数值分析 · 数学 2014-10-21 Mehdi Salimi , Taher Lotfi , Somayeh Sharifi , Stefan Siegmund

In this note, we present an eighth-order derivative-free family of iterative methods for nonlinear equations. The proposed family shows optimal eight-order of convergence in the sense of the Kung and Traub conjecture \cite{5} and is based…

数值分析 · 数学 2013-08-12 Laila M Assas , Fayyaz Ahmad , Malik Zaka Ullah

A three-point iterative method for solving scalar non-linear equations was selected and then adapted to solve systems of non-linear equations. Subsequently, by applying Taylor's theorem to functions of $\R^{n}$ in $\R^{n}$, it is shown that…

综合数学 · 数学 2026-01-23 Carlos E. Cadenas R. , Yorman J. Mendoza N

We established a new eighth-order iterative method, consisting of three steps, for solving nonlinear equations. Per iteration the method requires four evaluations (three function evaluations and one evaluation of the first derivative).…

数值分析 · 数学 2013-04-18 J. P. Jaiswal , Neha Choubey

The object of the present paper is to extend the third-order iterative method for solving nonlinear equations into systems of nonlinear equations. Since our motive is to develop the method which improve the order of convergence of Newton's…

数值分析 · 数学 2013-09-24 Anuradha Singh , J. P. Jaiswa

In this paper we established a class of optimal fourth-order methods which is obtained by existing third-order method for solving nonlinear equations for simple roots by using weight functions. Some physical examples are given to illustrate…

数值分析 · 数学 2013-07-30 J. P. Jaiswal

In this paper, we present a family of three-point with eight-order convergence methods for finding the simple roots of nonlinear equations by suitable approximations and weight function based on Maheshwari method. Per iteration this method…

数值分析 · 数学 2014-11-13 Somayeh Sharifi , Massimiliano Ferrara , Mehdi Salimi , Stefan Seigmund

This article concerned with the issue of solving a nonlinear equation with the help of iterative method where no any derivative evaluation is required per iteration. Therefore, this work contributes to a new class of optimal eighth-order…

数值分析 · 数学 2014-04-14 Anuradha Singh , J. P. Jaiswal

We present a simple yet powerful and applicable quadrature based scheme for constructing optimal iterative methods. According to the, still unproved, Kung-Traub conjecture an optimal iterative method based on $n+1$ evaluations could achieve…

数值分析 · 数学 2010-04-20 Sanjay K. Khattri , Ravi P. Agarwal

In this paper, we introduce an iterative numerical method to solve systems of nonlinear equations. The third-order convergence of this method is analyzed. Several examples are given to illustrate the efficiency of the proposed method.

动力系统 · 数学 2009-04-23 M. Eshaghi Gordji , A. Ebadian , M. B. Ghaemi , J. Shokri

In this article, we discuss sixth-order and seventh-order iterative methods for nonlinear equations. Derivative-based and derivative-free, both categories are presented for said iterative methods. Especially sixth-order derivative-based and…

综合数学 · 数学 2013-08-12 Fayyaz Ahmad , Domingo García-Senz

The object of the present work is to present the new classes of third-order and fourth-order iterative methods for solving nonlinear equations. Our third-order method includes methods of Weerakoon \cite{Weerakoon}, Homeier \cite{Homeier2},…

数值分析 · 数学 2013-07-31 J. P. Jaiswal

Iteration methods based on barycentric rational interpolation are derived that exhibit accelerating orders of convergence. For univariate root search, the derivative-free methods approach quadratic convergence and the first-derivative…

数值分析 · 数学 2020-11-11 Sebastian Cassel

A zero-finding technique for solving nonlinear equations more efficiently than they usually are with traditional iterative methods in which the order of convergence is improved is presented. The key idea in deriving this procedure is to…

数值分析 · 数学 2011-06-07 Miquel Grau-Sánchez , José Luis Díaz-Barrero

The iterative problem of solving nonlinear equations is studied. A new Newton like iterative method with adjustable parameters is designed based on the dynamic system theory. In order to avoid the derivative function in the iterative…

数值分析 · 数学 2022-11-09 Yonglong Liao , Limin Cui

In this paper, we construct a derivative-free multi-step iterative scheme based on Steffensen's method. To avoid excessively increasing the number of functional evaluations and, at the same time, to increase the order of convergence, we…

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