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 \(\sqrt[5]{6},\) 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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Păvăloiu, I., Cătinaş, E. On an Aitken–Newton type method. Numer Algor 62, 253–260 (2013). https://doi.org/10.1007/s11075-012-9577-7
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DOI: https://doi.org/10.1007/s11075-012-9577-7