Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
New estimates for the recursive low-rank truncation of block-structured matrices - MaRDI portal

New estimates for the recursive low-rank truncation of block-structured matrices (Q2634610)

From MaRDI portal
scientific article
Language Label Description Also known as
English
New estimates for the recursive low-rank truncation of block-structured matrices
scientific article

    Statements

    New estimates for the recursive low-rank truncation of block-structured matrices (English)
    0 references
    17 February 2016
    0 references
    The author describes a cheap algorithm for the best approximation of a given matrix by a low-rank one. The algorithm uses a recursive truncation and is an obvious divide and conquer method, based on the QR and SVD decomposition.
    0 references
    low-rank truncation
    0 references
    singular value decomposition
    0 references
    block decomposition
    0 references
    recursive truncation
    0 references
    0 references

    Identifiers