摘要: This book is devoted to numerical methods for solving sparse linear algebra systems of very large dimension which are arising in the implementation mesh approximations partial differential equations. Incomplete factorization basis wide class preconditioning interative processes with acceleration by conjugate gradients or Chebyshev technique. Different kinds explicit and implicit algorithms considered. Theoretical grounds correctness estimates convergence velocity iterations presented. Together results experimental investigations typical examples, this first on systematic studying incomplete methods.
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