Results 11 to 20 of about 27,469 (211)

Gauss–Newton–Secant Method for Solving Nonlinear Least Squares Problems under Generalized Lipschitz Conditions

open access: yesAxioms, 2021
We develop a local convergence of an iterative method for solving nonlinear least squares problems with operator decomposition under the classical and generalized Lipschitz conditions. We consider the case of both zero and nonzero residuals and determine
Ioannis K. Argyros   +4 more
doaj   +1 more source

Increasing the order of convergence of multistep methods for solving systems of equations under weak conditions

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science, 2019
In the present paper, we consider a construction proposed in Xiao and Yin (2016) to improve the order of convergence of the method from p to p + 2m under weaker assumptions.
Argyros Ioannis K.   +2 more
doaj   +1 more source

Stress-driven Approach to Vibrational Analysis of FGM Annular ‎Nano-plate based on First-order Shear Deformation Plate Theory [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2023
Vibrational behavior of small-scale functionally graded annular plate based on the first-order shear deformation theory, and non-local stress-driven model is investigated.
Mojtaba Shariati   +2 more
doaj   +1 more source

On the local convergence of the Modified Newton method

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science, 2019
The aim of this paper is to investigate the local convergence of the Modified Newton method, i.e. the classical Newton method in which the first derivative is re-evaluated periodically after m steps. The convergence order is shown to be m + 1.
Măruşter Ştefan
doaj   +1 more source

Local Convergence of Exquerro-Hernandez Method

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science, 2016
Local convergence of Ezquerro-Hernandez iteration is investigated in the setting of finite dimensional spaces. A procedure to estimate the local convergence radius for this iteration is proposed.
Măruşter Ştefan
doaj   +1 more source

Semi-Local Convergence of a Seventh Order Method with One Parameter for Solving Non-Linear Equations

open access: yesFoundations, 2022
The semi-local convergence is presented for a one parameter seventh order method to obtain solutions of Banach space valued nonlinear models. Existing works utilized hypotheses up to the eighth derivative to prove the local convergence.
Christopher I. Argyros   +4 more
doaj   +1 more source

Convergence Analysis of a Three Step Newton-like Method for Nonlinear Equations in Banach Space under Weak Conditions

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science, 2016
In the present paper, we study the local convergence analysis of a fifth convergence order method considered by Sharma and Guha in [15] to solve equations in Banach space.
Argyros Ioannis K., George Santhosh
doaj   +1 more source

A nonmonotone trust-region-approach with nonmonotone adaptive radius for solving nonlinear systems [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2016
This paper presents a trust-region procedure for solving systems of nonlinear equations. The proposed approach takes advantages of an effective adaptive trust-region radius and a nonmonotone strategy by combining both of them appropriately.
Keyvan Amini   +2 more
doaj   +1 more source

DCG: An efficient Distributed Conjugate Gradient algorithm for solving linear equations in multi-agent networks

open access: yesResults in Control and Optimization, 2023
Distributed algorithms to solve linear equations in multi-agent networks have attracted great research attention and many iteration-based distributed algorithms have been developed. The convergence speed is a crucial factor of distributed algorithms, and
Haodi Ping   +5 more
doaj   +1 more source

Ball Comparison for Some Efficient Fourth Order Iterative Methods Under Weak Conditions

open access: yesMathematics, 2019
We provide a ball comparison between some 4-order methods to solve nonlinear equations involving Banach space valued operators. We only use hypotheses on the first derivative, as compared to the earlier works where they considered conditions reaching up ...
Ioannis K. Argyros, Ramandeep Behl
doaj   +1 more source

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