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20172024
most citedA New Real Structure-preserving Quaternion QR Algorithm

100 citations · 116 across the 14 of their papers we have counts for

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6 papers · 1 filter

math.NA2020★ 1 cited

A contribution to condition numbers of the multidimensional total least squares problem with linear equality constraint

Qiaohua Liu, Zhigang Jia, Yimin Wei

This paper is devoted to condition numbers of the multidimensional total least squares problem with linear equality constraint (TLSE). Based on the perturbation theory of invariant…

math.NA2020

Randomized Quaternion Singular Value Decomposition for Low-Rank Approximation

Qiaohua Liu, Sitao Ling, Zhigang Jia

This paper presents a randomized quaternion singular value decomposition (QSVD) algorithm for low-rank matrix approximation problems, which are widely used in color face recognitio…

math.NA2020

On condition numbers of the total least squares problem with linear equality constraint

Qiaohua Liu, Zhigang Jia

This paper is devoted to condition numbers of the total least squares problem with linear equality constraint (TLSE). With novel limit techniques, closed formulae for normwise, mix…

math.NA2020

The Multi-Symplectic Lanczos Algorithm and Its Applications to Color Image Processing

Zhigang Jia, Xuan Liu, Mei-Xiang Zhao

Low-rank approximations of original samples are playing more and more an important role in many recently proposed mathematical models from data science. A natural and initial requi…

math.NA2018

Perturbation Analysis of An Eigenvector-Dependent Nonlinear Eigenvalue Problem With Applications?

Yunfeng Cai, Zhigang Jia, Zheng-Jian Bai

The eigenvector-dependent nonlinear eigenvalue problem (NEPv) , where the columns of are orthonormal, , is Hermitia…

math.NA2017★ 100 cited

A New Real Structure-preserving Quaternion QR Algorithm

Zhigang Jia, Musheng Wei, Meixiang Zhao +1

New real structure-preserving decompositions are introduced to develop fast and robust algorithms for the (right) eigenproblem of general quaternion matrices. Under the orthogonall…