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Showing 1 to 1 of 1 for “"Incomplete factor"”.
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New Sequential and Scalable Parallel Algorithms for Incomplete Factor Preconditioning
… look at structurally based ILU(ℓ) symbolic factorization. There are two definitions of fill level, “sum” and “max,” that have been proposed. Hitherto, these definitions have been cast in terms of matrix terminology. We develop a sequence of lemmas and theorems that provide graph theoretic …