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Efficient algorithms for block downdating of least squares solutions

โœ Scribed by Petko Yanev; Erricos J. Kontoghiorghes


Book ID
108057339
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
221 KB
Volume
49
Category
Article
ISSN
0168-9274

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Parallel algorithms for downdating the l
โœ Petko I. Yanev; Erricos J. Kontoghiorghes ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 993 KB

Computationally efficient parallel algorithms for downdating the least squares estimator of the ordinary linear regression are proposed. The algorithms, which are based on the QR decomposition, are block versions of sequential Givens strategies and efficiently exploit the triangular structure of the