Revisiting the (block) Jacobi subspace rotation method for the symmetric eigenvalue problem
Revisiting the (block) Jacobi subspace rotation method for the symmetric eigenvalue problem
复制标题
重温对称特征值问题的(块)雅可比子空间旋转方法
DOI:
10.1007/s11075-022-01377-w
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发表时间:
2023
影响因子:
2.1
通讯作者:
Saad, Yousef
中科院分区:
文献类型:
--
作者:
Saad, Yousef
The paper revisits the topic of block-Jacobi algorithms for the symmetric eigenvalue problem by proposing a few alternative versions. The main advantage of a block Jacobi method is that it is built entirely from computations with small dense matrices. The proposed mehod is based on a sequence of subspace rotations whose determination requires to solve small Riccati-like correction equation. The paper discusses theoretical and algorithmic aspects of the algorithm, and illustrates its behavior on a few simple examples.
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