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math.NA2020★ 1 cited
Condition numbers for the truncated total least squares problem and their estimations
Qing-Le Meng, Huai-An Diao, Zheng-Jian Bai
In this paper, we present explicit expressions for the mixed and componentwise condition numbers of the truncated total least squares (TTLS) solution of $A\boldsymbol{x} \approx \b…
math.NA2019★ 3 cited
Structured condition number for multiple right-hand side linear systems with parameterized quasiseparable coefficient matrix
Qingle Meng, Huaian Diao, Qinghua Yu
In this paper, we consider the structured perturbation analysis for multiple right-hand side linear systems with parameterized coefficient matrix. Especially, we present the explic…