Geodesic
On the quadratic convergence of the Aitken $\Delta^2$ process
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 51 (2011) no. 10, pp. 1770-1774 Cet article a éte moissonné depuis la source Math-Net.Ru

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The Aitken $\Delta^2$ method for finding fixed points of scalar mappings is interpreted as a modification of the Wegstein method. Based on this approach, conditions for the quadratic convergence of this method are obtained for various situations of convergence/divergence of simple iteration. An algorithm for calculating fixed points that keeps track of these situations is presented. 
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     title = {On the quadratic convergence of the {Aitken} $\Delta^2$ process},
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V. M. Verzhbitskii; I. F. Yumanova. On the quadratic convergence of the Aitken $\Delta^2$ process. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 51 (2011) no. 10, pp. 1770-1774. http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_10_a1/

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