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Article

Keywords:
conjugate gradient method; preconditioning; multigrid method
Summary:
An algorithm for using the preconditioned conjugate gradient method to solve a coarse level problem is presented.
References:
[lit1] J. Mandel: Adaptive Iterative Solvers in Finite Elements. (to appear).
[lit2] J. Mandel: Balancing Domain Decomposition. Communications in numerical methods in engineering, vol. 9 (1993). MR 1208381 | Zbl 1071.65558
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