A method of inverting matrices
Olga Porkorná (1970)
Aplikace matematiky
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Displaying similar documents to “Chipman pseudoinverse of matrix, its computation and application in spline theory”
A method of inverting matrices
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Generalizations of Nekrasov matrices and applications
Ljiljana Cvetković, Vladimir Kostić, Maja Nedović (2015)
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In this paper we present a nonsingularity result which is a generalization of Nekrasov property by using two different permutations of the index set. The main motivation comes from the following observation: matrices that are Nekrasov matrices up to the same permutations of rows and columns, are nonsingular. But, testing all the permutations of the index set for the given matrix is too expensive. So, in some cases, our new nonsingularity criterion allows us to use the results already...