Solving System of Nonlinear Equations by using a New Three-Step Method
Publish Year: 1395
Type: Journal paper
Language: English
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Document National Code:
JR_COAM-1-2_004
Index date: 19 February 2023
Solving System of Nonlinear Equations by using a New Three-Step Method abstract
In this paper, we suggest a fifth order convergence three-step method for solving system of nonlinear equations. Each iteration of the method requires two function evaluations, two first Fr\'{e}chet derivative evaluations and two matrix inversions. Hence, the efficiency index is 5^{1/({2n+4n^{2}+\frac{4}{3}n^{3}})}, which is better than that of other three-step methods. The advantages of the method lie in the feature that this technique not only achieves an approximate solution with high accuracy, but also improves the calculation speed. Also, under several mild conditions the convergence analysis of the proposed method is provided. An efficient error estimation is presented for the approximate solution. Numerical examples are included to demonstrate the validity and applicability of the method and the comparisons are made with the existing results.
Solving System of Nonlinear Equations by using a New Three-Step Method Keywords:
Solving System of Nonlinear Equations by using a New Three-Step Method authors
Mehdi Ahmadi
Department of Mathematics, Malayer University, Malayer, Iran.
Hamid Esmaeili
Department of Mathematics, Bu-Ali Sina University, Hamedan, Iran.
R Erfanifar
Department of Mathematics, Bu-Ali Sina University, Hamedan, Iran.
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