[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 …

[किताब][B] Handbook of linear algebra

L Hogben - 2006 - books.google.com
The Handbook of Linear Algebra provides comprehensive coverage of linear algebra
concepts, applications, and computational software packages in an easy-to-use handbook …

[HTML][HTML] Assessing mixed-pixels effects in vineyard map** from Satellite: A proposal for an operational solution

S De Petris, F Sarvia, F Parizia, F Ghilardi… - … and Electronics in …, 2024 - Elsevier
Satellite-based multispectral remote sensing in the wine sector is expanding, aiming at
improving vineyard management for both environmental sustainability and vine quality/yield …

New regularization techniques for ill-conditioning problems and their applications: choices of regularization parameters

LP Zhang, ZC Li, Y Wei, HT Huang - Engineering Analysis with Boundary …, 2023 - Elsevier
This is a continued study of Li et al.(2011) for the regularization of ill-conditioning problems,
where the minimal singular value σ min of discrete matrices is infinitesimal. To remove the …

Ill‐conditioning of the truncated singular value decomposition, Tikhonov regularization and their applications to numerical partial differential equations

ZC Li, HT Huang, Y Wei - Numerical Linear Algebra with …, 2011 - Wiley Online Library
This paper explores some intrinsic characteristics of accuracy and stability for the truncated
singular value decomposition (TSVD) and the Tikhonov regularization (TR), which can be …

A contribution to the conditioning of the total least-squares problem

M Baboulin, S Gratton - SIAM journal on matrix analysis and applications, 2011 - SIAM
We derive closed formulas for the condition number of a linear function of the total least-
squares solution. Given an overdetermined linear system Ax≈ b, we show that this condition …

Mixed, componentwise condition numbers and small sample statistical condition estimation of Sylvester equations

H Diao, H **ang, Y Wei - Numerical Linear Algebra with …, 2012 - Wiley Online Library
We present a componentwise perturbation analysis for the continuous‐time Sylvester
equations. Componentwise, mixed condition numbers and new perturbation bounds are …

[HTML][HTML] Mixed and componentwise condition numbers for a linear function of the solution of the total least squares problem

HA Diao, Y Sun - Linear Algebra and its Applications, 2018 - Elsevier
In this paper, we consider the mixed and componentwise condition numbers for a linear
function Lx of the solution to the total least squares (TLS) problem. We derive the explicit …

[HTML][HTML] Structured condition numbers of structured Tikhonov regularization problem and their estimations

HA Diao, Y Wei, S Qiao - Journal of Computational and Applied …, 2016 - Elsevier
Both structured componentwise and structured normwise perturbation analysis of the
Tikhonov regularization are presented. The structured matrices under consideration include …

A note on stable perturbations of Moore–Penrose inverses

Z Li, Q Xu, Y Wei - Numerical Linear Algebra with Applications, 2013 - Wiley Online Library
SUMMARY Perturbation bounds for Moore–Penrose inverses of rectangular matrices play a
significant role in the perturbation analysis for linear least squares problems. In this note, we …