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- W3138308093 abstract "In this note, to solve a class of complex symmetric system of linear equations, we construct a new block triangular (NBT) preconditioner which leads to a symmetric positive definite preconditioned matrix. The spectral properties of the preconditioned matrix are studied. We use conjugate gradient method to solve the preconditioned system and compare the convergence with some existing methods. Numerical results verify the effectiveness of the preconditioned conjugate gradient method with NBT preconditioner." @default.
- W3138308093 created "2021-03-29" @default.
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- W3138308093 date "2021-10-01" @default.
- W3138308093 modified "2023-09-26" @default.
- W3138308093 title "On the preconditioned conjugate gradient method for complex symmetric systems" @default.
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- W3138308093 doi "https://doi.org/10.1016/j.aml.2021.107250" @default.
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