COMPUTATION OF PSEUDOSPECTRA VIA SPECTRAL PROJECTORS

Authors
GODUNOV SK SADKANE M
Citation
Sk. Godunov et M. Sadkane, COMPUTATION OF PSEUDOSPECTRA VIA SPECTRAL PROJECTORS, Linear algebra and its applications, 279(1-3), 1998, pp. 163-175
Citations number
25
Categorie Soggetti
Mathematics,Mathematics
Journal title
Linear algebra and its applications → ACNP
ISSN journal
00243795
Volume
279
Issue
1-3
Year of publication
1998
Pages
163 - 175
Database
ISI
SICI code
0024-3795(1998)279:1-3<163:COPVSP>2.0.ZU;2-9
Abstract
In this note, we discuss new techniques for analyzing the pseudospectr a of matrices and propose a numerical method for computing the spectra l projector associated with a group of eigenvalues enclosed by a polyg onal curve. Numerical tests are reported. (C) 1998 Elsevier Science In c. All rights reserved.