Matrix thinning with reduced field testing (RFT)

Raphael Kastner, Gabriela Nocham

Research output: Contribution to journalConference articlepeer-review

Abstract

The Reduced Field Testing (RFT) method is proposed as a means to generate an approximate sparse matrix for surface formulation, as in methods yielding approximate sparse matrices for a direct solution. However, it is based on the distinction between near and far field interactions, with a possible refinement using directional basis functions. The principal idea is the application of different sampling rates at the near and far field interaction regions. The RFT may thus be viewed as a spatial domain equivalent to the Fast Multipole Method, generating a single sparse matrix, amenable to either direct or iterative methods.

Original languageEnglish
Pages (from-to)1540-1543
Number of pages4
JournalIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume3
StatePublished - 1995
EventProceedings of the 1995 IEEE Antennas and Propagation Society International Symposium. Part 4 (of 4) - Newport Beach, CA, USA
Duration: 18 Jun 199523 Jun 1995

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