The Lanczos Algorithm Under Few Iterations: Concentration and Location of the Output
The Lanczos Algorithm Under Few Iterations: Concentration and Location of the Output
复制标题
几次迭代下的 Lanczos 算法:输出的集中度和位置
DOI:
10.1137/19m1275231
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发表时间:
2019
期刊:
影响因子:
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通讯作者:
Archit Kulkarni
中科院分区:
文献类型:
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作者:
Jorge Garza;Archit Kulkarni
We study the Lanczos algorithm where the initial vector is sampled uniformly from $\mathbb{S}^{n-1}$. Let $A$ be an $n \times n$ Hermitian matrix. We show that when run for few iterations, the outp...