[किताब][B] Numerical methods for least squares problems

Å Björck - 2024 - SIAM
Excerpt More than 25 years have passed since the first edition of this book was published in
1996. Least squares and least-norm problems have become more significant with every …

Randomized algorithms for total least squares problems

P **e, H **ang, Y Wei - Numerical Linear Algebra with …, 2019 - Wiley Online Library
Motivated by the recently popular probabilistic methods for low‐rank approximations and
randomized algorithms for the least squares problems, we develop randomized algorithms …

Perturbation analysis and condition numbers for the Tikhonov regularization of total least squares problem and their statistical estimation

M Samar, FR Lin - Journal of Computational and Applied Mathematics, 2022 - Elsevier
Condition number plays an important role in perturbation analysis, the latter is a tool to judge
whether a numerical solution makes sense, especially for ill-posed problems. In this paper …

Condition numbers of the multidimensional total least squares problem

B Zheng, L Meng, Y Wei - SIAM Journal on Matrix Analysis and Applications, 2017 - SIAM
We present the Kronecker-product-based formulae for the normwise, mixed, and
componentwise condition numbers of the multidimensional total least squares (TLS) …

Small sample statistical condition estimation for the total least squares problem

HA Diao, Y Wei, P **e - Numerical Algorithms, 2017 - Springer
In this paper, under the genericity condition, we study the condition estimation of the total
least squares (TLS) problem based on small sample condition estimation (SCE), which can …

A contribution to perturbation analysis for total least squares problems

P **e, H **ang, Y Wei - Numerical Algorithms, 2017 - Springer
In this note, we present perturbation analysis for the total least squares (Tls) problems under
the genericity condition. We review the three condition numbers proposed respectively by …

Sensitivity and conditioning of the truncated total least squares solution

S Gratton, D Titley-Peloquin, JT Ilunga - SIAM Journal on Matrix Analysis and …, 2013 - SIAM
We present an explicit expression for the condition number of the truncated total least
squares (TLS) solution of Ax≈b. This expression is obtained using the notion of the Fréchet …

Perturbation analysis for total least squares problems with linear equality constraint

Q Liu, C Chen, Q Zhang - Applied Numerical Mathematics, 2021 - Elsevier
This paper is devoted to perturbation analysis of the total least squares problem with linear
equality constraint (TLSE). Different magnitudes of perturbations in input data are taken into …

Perturbation analysis for mixed least squares–total least squares problems

B Zheng, Z Yang - Numerical Linear Algebra with Applications, 2019 - Wiley Online Library
In many linear parameter estimation problems, one can use the mixed least squares–total
least squares (MTLS) approach to solve them. This paper is devoted to the perturbation …

Multidimensional total least squares problem with linear equality constraints

Q Liu, Z Jia, Y Wei - SIAM Journal on Matrix Analysis and Applications, 2022 - SIAM
Many recent data analysis models are mathematically characterized by a multidimensional
total least squares problem with linear equality constraints (TLSE). In this paper, an explicit …