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Approximate inverse preconditioning of iterative methods for nonsymmetric linear systems

Conference ·
OSTI ID:433346
 [1];  [2]
  1. Universita di Bologna (Italy)
  2. Inst. of Computer Sciences, Prague (Czech Republic)

A method for computing an incomplete factorization of the inverse of a nonsymmetric matrix A is presented. The resulting factorized sparse approximate inverse is used as a preconditioner in the iterative solution of Ax = b by Krylov subspace methods.

Research Organization:
Front Range Scientific Computations, Inc., Lakewood, CO (United States)
OSTI ID:
433346
Report Number(s):
CONF-9604167--Vol.1; ON: DE96015306
Country of Publication:
United States
Language:
English

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