Acceleration of Slowly Convergent Series via the Generalized Weighted-Averages Method

doi:10.2528/PIERM10100702

PIER M
Progress In Electromagnetics Research M	ISSN: 1937-8726

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ACCELERATION OF SLOWLY CONVERGENT SERIES VIA THE GENERALIZED WEIGHTED-AVERAGES METHOD

By A. G. Polimeridis, R. M. Golubovic Niciforovi, and J. R. Mosig

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Abstract:
A generalized version of the weighted-averages method is presented for the acceleration of convergence of sequences and series over a wide range of test problems, including linearly and logarithmically convergent series as well as monotone and alternating series. This method was originally developed in a partitionextrapolation procedure for accelerating the convergence of semiinfinite range integrals with Bessel function kernels (Sommerfeld-type integrals), which arise in computational electromagnetics problems involving scattering/radiation in planar stratified media. In this paper, the generalized weighted-averages method is obtained by incorporating the optimal remainder estimates already available in the literature. Numerical results certify its comparable and in many cases superior performance against not only the traditional weighted-averages method but also against the most proven extrapolation methods often used to speed up the computation of slowly convergent series.

Citation:
A. G. Polimeridis, R. M. Golubovic Niciforovi, and J. R. Mosig, "Acceleration of slowly convergent series via the generalized weighted-averages method," Progress In Electromagnetics Research M, Vol. 14, 233-245, 2010.
doi:10.2528/PIERM10100702
http://www.jpier.org/pierm/pier.php?paper=10100702

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