On the Numerical Solution of Ill-Conditioned Linear Systems with Applications to Ill-Posed Problems

We consider the solution of ill-conditioned linear systems using the singular value decomposition, and show how this can improve the accuracy of the computed solution for certain kinds of right-hand sides. Then we indicate how this technique is especially appropriate for some classical ill-posed pro...

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Vydané v:SIAM journal on numerical analysis Ročník 10; číslo 2; s. 257 - 267
Hlavný autor: Varah, J. M.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Philadelphia Society for Industrial and Applied Mathematics 01.04.1973
Predmet:
Computer science
Decomposition
Differential equations
Eigenvalues
Eigenvectors
Error rates
Ill posed problems
Laplace transformation
Laplace transforms
Least squares
Linear systems
Mathematics
Matrices
ISSN:0036-1429, 1095-7170
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Shrnutí:We consider the solution of ill-conditioned linear systems using the singular value decomposition, and show how this can improve the accuracy of the computed solution for certain kinds of right-hand sides. Then we indicate how this technique is especially appropriate for some classical ill-posed problems of mathematical physics.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
content type line 14
ISSN:0036-1429
1095-7170
DOI:10.1137/0710025