Schur factorization of the impedance matrix in a localizing basis

A. Zhu, R. J. Adams, F. X. Canning, S. D. Gedney

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

A Schur-based factorization procedure is described for impedance matrices transformed into a localizing basis. A recently reported factorization strategy relying on a sparse QR factorization of the transformed impedance matrix was shown to exhibit improved efficiency relative to standard direct factorizations. It is shown here that a Schur factorization provides additional efficiencies.

Original languageEnglish
Pages (from-to)351-362
Number of pages12
JournalJournal of Electromagnetic Waves and Applications
Volume20
Issue number3
DOIs
StatePublished - 2006

Bibliographical note

Funding Information:
This work was supported by contract number N00014-04-1-0485 from the Office of Naval Research, and by the Center for Computational Sciences at the University of Kentucky.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • General Physics and Astronomy
  • Electrical and Electronic Engineering

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