Alvaro Francisco Huertas-Rosero
Published 2008-04-27, updated 2008-06-07Version 2
Two methods to decompose block matrices analogous to Singular Matrix Decomposition are proposed, one yielding the so called economy decomposition, and other yielding the full decomposition. This method is devised to avoid handling matrices bigger than the biggest blocks, so it is particularly appropriate when a limitation on the size of matrices exists. The method is tested on a document-term matrix (17780x3204) divided in 4 blocks, the upper-left corner being 215x215.
Comments: 14 pages, 8 figures. Technical Report Replacement with updated reference of publication
Journal: DCS Technical Report Series, TR-2008-269
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