Xuefeng Xu

activity

20162024

most citedOn the perturbation of the Moore-Penrose inverse of a matrix

2 citations · 5 across the 14 of their papers we have counts for

collaborators

Showing 2017Show all

2 papers · 1 filter

math.NA2017★ 1 cited

On the Ideal Interpolation Operator in Algebraic Multigrid Methods

Xuefeng Xu, Chen-Song Zhang

Various algebraic multigrid algorithms have been developed for solving problems in scientific and engineering computation over the past decades. They have been shown to be well-sui…

math.NA2017

New upper bounds for the spectral variation of a general matrix

Xuefeng Xu

Let $A \in C^{n \times n}$ be a normal matrix with spectrum ${λ_{i}}_{i = 1}^{n}$ , and let $A = A + E \in C^{n \times n}$ be a perturbed matrix with spectrum $\…