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Single-Element Tearing and Modification of Sparse Symmetric Systems
Abstract
Tearing and modification obtains the ssolution of a linear system synthetically by first solving a slightly different ("torn") system and then modifying that solution. We show that single-element tearing of symmetric systems is rarely advantageous when the modified system is solved by elimination, and we classify those systems for which it is advantageous.
Date Issued
1972-12Publisher
Cornell University
Subject
computer science; technical report
Previously Published As
http://techreports.library.cornell.edu:8081/Dienst/UI/1.0/Display/cul.cs/TR72-150
Type
technical report