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      • Department of Electrical and Electronics Engineering
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      On the Lagrange interpolation in multilevel fast multipole algorithm

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      Author
      Ergül, Özgür
      Gürel, Levent
      Date
      2006
      Source Title
      Proceedings of the Antennas and Propagation Society International Symposium, IEEE 2006
      Print ISSN
      1522-3965
      Publisher
      IEEE
      Pages
      1891 - 1894
      Language
      English
      Type
      Conference Paper
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      Abstract
      We consider the Lagrange interpolation employed in the multilevel fast multipole algorithm (MLFMA) as part of our efforts to obtain faster and more efficient solutions for large problems of computational electromagnetics. For the translation operator, we present the choice of the parameters for optimal interpolation. For the aggregation and dissaggregation processes, we discuss the interpolation matrices and introduce an efficient way of improving the accuracy by employing the poles.
      Keywords
      Lagrangian functions
      Interpolation
      MLFMA
      Computational electromagnetics
      Sampling methods
      Polynomials
      Permalink
      http://hdl.handle.net/11693/27189
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/APS.2006.1710941
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      • Department of Electrical and Electronics Engineering 3524
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