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    Electronic Resource
    Boundary flux estimates for elliptic problems by the perturbed variational method (1976)
    Springer
    Computing 16 (1976), S. 339-347 
    Details
    ISSN: 1436-5057
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung In dieser Arbeit wird gezeigt, daß man scharfe Schranken für die Normalableitung durch die Anwendung eines Extrapolationsprozesses im gestörten Variationsprinzip erhalten kann. QuasioptimaleL 2-Schranken für den Fehler werden angegeben, sowie numerische Resultate in einem Modellproblem.
    Notes: Abstract In this note we show that high order accurate approximations to the boundary flux are readily obtained by use of certain extrapolation process in the perturbed variational principle. QuasioptimalL 2 estimates for the error are obtained. Numerical results are presented for a model problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02252082
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