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Numerical Algorithms

, Volume 26, Issue 2, pp 93–109 | Cite as

Fast calculation of coefficients in the Smolyak algorithm

  • Knut Petras
Article

Abstract

For many numerical problems involving smooth multivariate functions on d-cubes, the so-called Smolyak algorithm (or Boolean method, sparse grid method, etc.) has proved to be very useful. The final form of the algorithm (see equation (12) below) requires functional evaluation as well as the computation of coefficients. The latter can be done in different ways that may have considerable influence on the total cost of the algorithm. In this paper, we try to diminish this influence as far as possible. For example, we present an algorithm for the integration problem that reduces the time for the calculation and exposition of the coefficients in such a way that for increasing dimension, this time is small compared to dn, where n is the number of involved function values.

Keywords

Numerical Problem Functional Evaluation Considerable Influence Fast Calculation Grid Method 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Knut Petras
    • 1
  1. 1.Institut für Angewandte MathematikTechnische Universität BraunschweigBraunschweigGermany

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