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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Canning, F.X. |
| Copyright Year | 1990 |
| Description | Author affiliation: Rockwell Sci. Center, Thousand Oaks, CA, USA (Canning, F.X.) |
| Abstract | Basis and testing functions for moment-method calculations that make the resulting matrix sparse are discussed. Recent numerical results have verified theoretical predictions that a moment-method matrix with N/sup 2/ elements can be replaced by one with 100N nonzero elements. This technique is unlike some other techniques (e.g. k-space, differential equation, etc.) in that this is done without increasing N from its usual moment-method value. This technique also differs from many of these techniques (e.g. k-space. Rokhlin's factorization, etc.) because the resulting matrix is truly sparse, permitting solutions using efficient preconditioners for iterative techniques and possibly sparse direct techniques. For large moment-method problems (N>10000), the resulting savings in memory and execution time are both greater than a factor of 100. This impedance matrix localization technique applies to any moment-method formulation.< |
| Sponsorship | IEEE |
| Starting Page | 60 |
| Ending Page | 63 |
| File Size | 147125 |
| Page Count | 4 |
| File Format | |
| DOI | 10.1109/APS.1990.115048 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1990-05-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Sparse matrices Impedance Moment methods Canning Electronic equipment testing Differential equations Fourier transforms Discrete Fourier transforms Message-oriented middleware Electromagnetic wave polarization |
| Content Type | Text |
| Resource Type | Article |
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