The series solutions obtained for transport problems by the separation of variables or the integral transform technique often converge very slowly and the d@erentiated series evaluated at the boundary may fail to converge. A general procedure is presented for developing alternative solutions which a
A one-parameter method for accelerating the convergence of sequences and series
โ Scribed by A.C. Smith
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 721 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0898-1221
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โฆ Synopsis
An iterative non-stationary method, depending on a parameter, has been obtained for accelerating the convergence of power series. When the parameter is equal to t I, the method of Salzer and Sdsz[4,6] is recovered (called Method A), and when the parameter is equal to the argument of the power series, rational approximations are obtained, although not as good as Padt approximants. When the parameter is equal to -I, the method (called Method B) effects more rapid convergence on well-known alternating series than any of the methods commonly used hitherto.
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We discuss several methods for accelerating the convergence of the iterative solution of nonlinear equation systems commonly in tion they are solved by iteration (for a more detailed deuse and point to interrelations between them. In particular we invesscription see Ref. [9] and references therein)