Title: Popularization of a conclusion for idempotent matrix
Abstract: Using block matrix as a tool,popularization of a conclusion for idempotent matrix is made.when a n×n idempotent matrix of rank r is decomposed into sum of m matrix Ai of rank ri,under certain conditions,the existence of a invertible matrix T satisfying T-1AT and T-1AiT(i=1,2,...,m) all being simplified quasi-diagonal matrix is proved.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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