Number of nonzero entries of S2NS matric
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Jia-Yu Shao; Jin-Ling He; Hai-Ying Shan
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Article
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2003
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Elsevier Science
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English
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A real matrix A has a signed generalized inverse (or signed GI), if the sign pattern of its generalized inverse A + is uniquely determined by the sign pattern of A. The notion of matrices having signed GI's is a generalization of the well known notion of strong SNS matrices (or S 2 NS matrices). Sha