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New Family of Combined Iterative Methods for Solving Nonlinear Equations

机译:求解非线性方程组的新的组合迭代方法

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In this paper, a new family of combined iterative methods for the solution of nonlinear equations is presented. The new family of methods is based on Newton's method and the family of sixth-order iterative methods developed by Chun. Per iteration the new methods require three evaluations of the function and two evaluations of its first derivative. Numerical tests show that it takes less number of iterations than Newton's method and some methods with third-order convergence. It is found that it only adds evaluation of the function at another point but its convergence order will be increased (p + 1)-order above the original level.
机译:本文提出了一种新的组合迭代方法来求解非线性方程组。新的方法族基于牛顿方法和Chun开发的六阶迭代方法族。每次迭代,新方法都需要对该函数进行三个评估,并对其一阶导数进行两次评估。数值测试表明,与牛顿法和一些具有三阶收敛性的方法相比,它需要较少的迭代次数。发现仅在另一点添加了功能评估,但其收敛顺序将比原始级别高(p +1)阶。

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