Listar por tema "semilocal convergence"
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A unified convergence analysis for secanttype methods
(Journal of the Korean Mathematical Society, 11/2014)We present a unified local and semilocal convergence analysis for secanttype methods in order to approximate a locally unique solution of a nonlinear equation in a Banach space setting. Our analysis includes he computation ... 
Convergence of Newton's method under Vertgeim conditions: new extensions using restricted convergence domains
(Journal of Mathematical Chemistry, 08/2017)We present new sufficient convergence conditions for the semilocal convergence of Newton’s method to a locally unique solution of a nonlinear equation in a Banach space. We use Hölder and center Hölder conditions, instead ... 
Enlarging the convergence domain of secantlike methods for equations
(Taiwanese Journal of Mathematics, 04/2015)We present two new semilocal convergence analyses for secantlike methods in order to approximate a locally unique solution of a nonlinear equation in a Banach space setting. These methods include the secant, Newton's ... 
Expanding the Applicability of a Third Order NewtonType Method Free of Bilinear Operators
(Algorithms, 09/2015)This paper is devoted to the semilocal convergence, using centered hypotheses, of a third order Newtontype method in a Banach space setting. The method is free of bilinear operators and then interesting for the solution ... 
Expanding the applicability of the Secant method under weaker conditions
(Applied Mathematics and Computation, 09/2015)We present a new semilocal convergence analysis for Secant method in order to approximate a locally unique solution of a nonlinear equation in a Banach space setting. Our analysis includes the computation of the bounds on ... 
Expanding the convergence domain for ChunStanicaNeta family of third order methods in banach spaces
(Journal of the Korean Mathematical Society, 01/2015)We present a semilocal convergence analysis of a third order method for approximating a locally unique solution of an equation in a Banach space setting. Recently, this method was studied by Chun, Stanica. and Neta. These ... 
Extending the convergence domain of Newton's method for twice Frechet differentiable operators
(Analysis and Applications, 03/2016)We present a semilocal convergence analysis of Newton's method in order to approximate a locally unique solution of a nonlinear equation in a Banach space setting. Using centerLipschitz condition on the first and the ... 
Extending the convergence domain of the Secant and Moser method in Banach Space
(Journal of Computational and Applied Mathematics, 12/2015)We present a new semilocal convergence analysis for the Secant and the Moser method in order to approximate a solution of an equation in a Banach space setting. Using the method of recurrent relations and weaker sufficient ... 
Extending the domain of starting points for Newton's method under conditions on the second derivative
(Journal of Computational and Applied Mathematics, 10/2018)In this paper, we propose a center Lipschitz condition for the second Frechet derivative together with the use of restricted domains in order to improve the domain of starting points for Newton's method. In addition, we ... 
Improved convergence analysis for Newtonlike methods
(Numerical Algorithms, 04/2016)We present a new semilocal convergence analysis for Newtonlike methods in order to approximate a locally unique solution of an equation in a Banach space setting. This way, we expand the applicability of these methods in ... 
Improved semilocal convergence analysis in Banach space with applications to chemistry
(Journal of Mathematical Chemistry, 2017)We present a new semilocal convergence analysis for Secant methods in order to approximate a locally unique solution of a nonlinear equation in a Banach space setting. Our analysis includes the computation of the bounds ... 
New improved convergence analysis for Newtonlike methods with applications
(Journal of Mathematical Chemistry, 08/2017)We present a new semilocal convergence analysis for Newtonlike methods using restricted convergence domains in a Banach space setting. The main goal of this study is to expand the applicability of these methods in cases ... 
On the convergence of inexact twopoint Newtonlike methods on Banach spaces
(Applied Mathematics and Computation, 08/2015)We present a unified convergence analysis of Inexact Newton like methods in order to approximate a locally unique solution of a nonlinear operator equation containing a nondifferentiable term in a Banach space setting. The ... 
Optimizing the applicability of a theorem by F. Potra for Newtonlike methods
(Applied Mathematics and Computation, 09/2014)We present a new sufficient semilocal convergence conditions for Newtonlike methods in order to approximate a locally unique solution of an equation in a Banach space setting. This way, we expand the applicability of these ... 
Relaxed secanttype methods
(Nonlinear Studies, 06/2014)We present a unified local and semilocal convergence analysis for secanttype methods in order to approximate a locally unique solution of a nonlinear equation in a Banach space setting. Our analysis includes the computation ... 
Starting points for Newton’s method under a center Lipschitz condition for the second derivative
(Journal of Computational and Applied Mathematics, 03/2018)We analyze the semilocal convergence of Newton's method under a center Lipschitz condition for the second derivative of the operator involved different from that used by other authors until now. In particular, we propose ...