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预条件(I+S_α)的AOR和2PPJ迭代收敛性定理 被引量:3

Convergence theorems for AOR and 2PPJ iterative methods with the precondition(I+S_α)
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摘要 考虑将预条件(I+S_α)应用于AOR迭代法和2PPJ迭代法,得到这两种预条件迭代法的收敛性定理,并从理论上证明了它们较原方法提高了迭代的收敛速度. The precondition (I+α) is considered to be applied to the AOR iterative method and 2PPJ iterative method. Convergence theorems for the methods are obtained and it is theoretically proved that the convergent speed of the original methods has been improved,
出处 《兰州大学学报(自然科学版)》 CAS CSCD 北大核心 2007年第6期125-128,共4页 Journal of Lanzhou University(Natural Sciences)
基金 西安理工大学校科研基金(108-210714).
关键词 预条件 AOR迭代法 2PPJ迭代法 弱正规分裂 非奇异M-矩阵 precondition AOR iterative method 2PPJ iterative method weak regular splitting nonsingular M-matrix
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参考文献10

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共引文献16

同被引文献26

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