On an Aitken–Newton type method

On an Aitken–Newton type method

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Article ID: iaor2013603
Volume: 62
Issue: 2
Start Page Number: 253
End Page Number: 260
Publication Date: Feb 2013
Journal: Numerical Algorithms
Authors: ,
Keywords: algebra, iterative methods, Newton method
Abstract:

We study the solving of nonlinear equations by an iterative method of Aitken type, which has the interpolation nodes controlled by the Newton method. We obtain a local convergence result which shows that the q‐convergence order of this method is 6 and its efficiency index is 6 5 , equ1 which is higher than the efficiency index of the Aitken or Newton methods. Monotone sequences are obtained for initial approximations farther from the solution, if they satisfy the Fourier condition and the nonlinear mapping satisfies monotony and convexity assumptions on the domain.

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