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Fast and stable two‐way algorithm for diagonal plus semi‐separable systems of linear equations
Author(s) -
Mastronardi Nicola,
Chandrasekaran Shivkumar,
Van Huffel Sabine
Publication year - 2000
Publication title -
numerical linear algebra with applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.02
H-Index - 53
eISSN - 1099-1506
pISSN - 1070-5325
DOI - 10.1002/1099-1506(200101/02)8:1<7::aid-nla224>3.0.co;2-y
Subject(s) - mathematics , coefficient matrix , diagonal , separable space , diagonal matrix , linear system , algorithm , matrix (chemical analysis) , system of linear equations , block matrix , mathematical analysis , geometry , eigenvalues and eigenvectors , physics , materials science , quantum mechanics , composite material
An algorithm for the solution of linear systems of equations where the coefficient matrix is diagonal plus a semi‐separable matrix is considered. The algorithm is stable with linear complexity. Furthermore, it is suitable for an implementation on a system of two processors. Copyright © 2001 John Wiley & Sons, Ltd.