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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wittig, T. Munteanu, I. Schuhmann, R. Weiland, T. |
| Copyright Year | 1965 |
| Abstract | The Pade-Via-Lanczos (PVL) algorithm proved to be a reliable technique for obtaining reduced-order models of electromagnetic devices. Its computational complexity is, however, quite large, since it involves inversion or factorization of a matrix which can be, for complex devices, on the order of hundreds of thousands. The present paper proposes a two-step approach based entirely on the Lanczos algorithm, meant to drastically reduce the computational complexity. In the first step, a Lanczos-based projection technique is used to reduce the un-inverted matrix to a manageable size, which can be dealt with by the PVL method in the second step. The computing time was thus reduced by a factor of ten, as compared to the classical PVL. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 673 |
| Ending Page | 676 |
| Page Count | 4 |
| File Size | 240471 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 38 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Integral equations Maxwell equations Reduced order systems Approximation algorithms Symmetric matrices Electromagnetic modeling Electromagnetic devices Computational complexity Finite difference methods H infinity control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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