• SOME METHODS OF KRYLOV SUBSPACE AND IT’S COMPARISON IN APPLICATION
Abstract
In this paper, we mainly introduce several kinds of the Krylov subspace algorithms, the most representative are: CGNR algorithm, GMRES algorithm, BiCG algorithm, CGS algorithm, BiCGSTAB algorithm and QMR algorithm, and discuss the relationships between these algorithms and their respective advantages and disadvantages, and finally verify the correctness of the conclusions for a class of numerical examples.
Keywords
Krylov subspace methods; WQMR algorithm; CGNR algorithm.
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