NDLI: A combined AIM-SFX approach for large complex arrays

Content Provider	IEEE Xplore Digital Library
Author	De Vita, P. Freni, A. Matekovits, L. Pirinoli, P. Vecchi, G.
Copyright Year	2007
Description	Author affiliation: Univ. di Firenze, Florence (De Vita, P.; Freni, A.)
Abstract	One of the most successful approaches to the method of moments (MoM) analysis of large problems is that adopted by the so called "fast methods"; they are based on the use of iterative solvers, and essentially aim at the reduction of the cost and memory occupation needed at each step of the iterative algorithm. The complexity of one iteration step in time and memory occupation is reduced up to the order of 0(Nlog2N) in the multilevel FMM or in the sparse matrix / adaptive integral method SM/AIM. Here we propose a combination of a fast method with one of the techniques based on the compression matrix, in order to take advantage of the complementary properties of the two approaches and further enhancing the numerical properties of the resulting hybrid technique. In particular, we employ the fast matrix-vector properties of SM/AIM to speed the matrix filling of the SFX method. The resulting approach is iteration-free, but significantly faster.
Starting Page	3452
Ending Page	3455
File Size	164106
Page Count	4
File Format	PDF
ISBN	9781424408771
DOI	10.1109/APS.2007.4396280
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Iterative methods Samarium Moment methods Aggregates Linear systems Filling Matrix decomposition Scattering Assembly Telecommunications
Content Type	Text
Resource Type	Article

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