A Note on Constraint Preconditioning for Nonsymmetric Indefinite Matrices

  • Authors:
  • Zhi-Hao Cao

  • Affiliations:
  • -

  • Venue:
  • SIAM Journal on Matrix Analysis and Applications
  • Year:
  • 2002

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Abstract

The constraint preconditioner for indefinite linear systems in [C. Keller, N. I. M. Gould, and A. J. Wathen, SIAM J. Matrix Anal. Appl., 21 (2000), pp. 1300--1317] is extended to nonsymmetric matrices.