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Error analysis for the numerical evaluation of the diagonal forms of the scalar spherical addition theorem. (English) Zbl 0924.65116
Wave scattering from large objects or from a cluster of scatterers is considered and methods are proposed to calculate errors by the fast multipole method and multilevel fast multipole algorithm in solving the scattering problem. The total error involves the truncation error and the discretization error (due to numerical integration). An error due to interpolation is also introduced. The total error introduced in a multilevel implementation is studied numerically.
Reviewer: V.Burjan (Praha)

MSC:
65Z05 Applications to the sciences
78A45 Diffraction, scattering
35Q60 PDEs in connection with optics and electromagnetic theory
78A40 Waves and radiation in optics and electromagnetic theory
65M60 Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs
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