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  • A Fast $ULV$ Decomposition ...
    Chandrasekaran, S.; Gu, M.; Pals, T.

    SIAM journal on matrix analysis and applications, 01/2006, Letnik: 28, Številka: 3
    Journal Article

    We consider an algebraic representation that is useful for matrices with off-diagonal blocks of low numerical rank. A fast and stable solver for linear systems of equations in which the coefficient matrix has this representation is presented. We also present a fast algorithm to construct the hierarchically semiseparable representation in the general case.