An efficient conjugate gradient preconditioner for Toeplitz systems
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摘要
For the conjugate gradient algorithm a proper preconditioning is essential. For Toeplitz-like matrices we propose and analyse a new preconditioner. We show its efficiency by some numerical tests.
论文关键词：Conjugate gradient method,preconditioning,Toeplitz systems,clustering properties
论文评审过程：Received 13 February 1989, Revised 13 April 1989, Available online 26 March 2002.
论文官网地址：https://doi.org/10.1016/0377-0427(90)90360-C
