2007
DOI: 10.1137/050636802
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A New Iterative Criterion for H‐Matrices

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Cited by 31 publications
(51 citation statements)
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“…This calculation also shows that A (2) [2,3,4], the Schur complement of A [1], is not SDD 1 by rows.…”
Section: Example 33 It Can Be Checked That the Matrixmentioning
confidence: 87%
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“…This calculation also shows that A (2) [2,3,4], the Schur complement of A [1], is not SDD 1 by rows.…”
Section: Example 33 It Can Be Checked That the Matrixmentioning
confidence: 87%
“…The matrixà (1) associated with any symmetric diagonal dominant pivoting strategy is again a matrix SDD 1 by rows and is given byà (1) = P 1i AP T 1i . By Theorem 3.4 (i), its Schur complement A (2) [2, .…”
Section: Definition 35 Letmentioning
confidence: 99%
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“…Since the coefficient matrix in system (2) is of order n × 2n, in solving the corresponding LP, it is needed O(n 2 ) computations in the worst case, at each iteration of the simplex algorithm. This complexity is the same as some iterative methods that proposed for characterization of H-matrices [2,12]. Those algorithms need to update a matrix of order n×n at each iteration and therefore the amount of computation that they need for one iteration is O(n 2 ).…”
Section: Theorem 23 [5] (Gordan's Theorem) Let G Be a Real M × N Mamentioning
confidence: 92%
“…Some iterative algorithms have been proposed based on this definition to find out if a matrix is an H-matrix or not, [2,3,12]. They all try to find a point diagonal matrix D to show that Definition 1.2 holds.…”
Section: Definition 12mentioning
confidence: 99%