A note on preconditional diagonally dominant matrices

  • Wenlong Ying
  • Published 2003 in Applied Mathematics and Computation

Abstract

This note points out that the main results of [Appl. Math. Comput. 114 (2000) 255] is not true. We show that (1) Theorem 2.1 in [Appl. Math. Comput. 114 (2000) 255] is well known, (2) There are no nonsingular matrices satisfying the sufficient conditions for ensuring diagonally dominance given in Theorem 3.1, and (3) Theorem 4.1 for preconditioning p-cyclic… (More)
DOI: 10.1016/S0096-3003(02)00207-2

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