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新六阶迭代法的局部收敛性和动力学性质分析

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本文给出求解非线性方程组的一个六阶迭代算法,在理论上证明算法的局部收敛性和收敛阶.为了检验新迭代方法的有效性,我们采用几个化学工程实际问题和学术测试问题进行测试,数值结果表明新迭代方法具有良好的数值性能.此外,新迭代方法的动力学行为也进一步表明了新方法的有效性.
On the Local Convergence and Dynamics of New Iterative Method with Sixth Order Convergence
In this paper,we construct a new sixth order iterative method for solving nonlinear equations.The local convergence and order of convergence of the new iterative method is demonstrated.In order to check the validity of the new iterative method,we employ several chemical engineering applications and academic test problems.Numerical results show the good numerical performance of the new iterative method.Moreover,the dynamical study of the new method also supports the theoretical results.

Nonlinear equationSixth order methodLocal convergenceBasin of attraction

吕博睿、楚雪、王海军

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中国矿业大学数学学院,徐州,221116

中煤科工常州研究院,常州,213000

非线性方程组 六阶方法 局部收敛性 吸引域

National Natural Science Foundation of ChinaKey Program of the National Natural Science Foundation of China

1227151862333016

2024

数学理论与应用
湖南省数学学会

数学理论与应用

影响因子:0.281
ISSN:1006-8074
年,卷(期):2024.44(3)