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SIAM Journal on Mathematical Analysis
Article . 1986 . Peer-reviewed
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Discretized Fractional Calculus

Discretized fractional calculus
Authors: Ch Lubich;

Discretized Fractional Calculus

Abstract

Es werden für Fraktionalintegrale der Form \(\int^{x}_{0}(x- s)^{\alpha -1}x^{\beta -1}g(x)ds\) Konvolutionsquadraturen untersucht, d.h. numerische Näherungen in den Punkten \(x=0,h,2h,...Nh\) bestimmt. Es wird gezeigt, daß die angegebenen Methoden konvergent von der Ordnung p sind, wenn sie stabil und von der Ordnung p konsistent sind. Schließlich werden einige numerische Beispiele und Anwendungen angegeben, wie die Behandlung der Abelschen Integralgleichung, das Diffusionsproblem (Wärmeleitung im Halbraum) und die Berechnung von speziellen Funktionen der mathematischen Physik.

Keywords

Abel-Liouville integrals, discrete convolution, fractional integrals, fractional linear multistep methods, Numerical methods for integral equations, Numerical quadrature and cubature formulas, diffusion problems, Approximate quadratures, Euler's gamma function, Numerical differentiation, special functions, Computation of special functions and constants, construction of tables, Fractional derivatives and integrals, convolution quadratures, Riemann-Liouville integrals, Integration, integrals of Cauchy type, integral representations of analytic functions in the complex plane, Gamma, beta and polygamma functions, Abel integral equations

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    782
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Found an issue? Give us feedback
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
782
Top 0.1%
Top 0.1%
Top 10%
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