Výsledky vyhľadávania - "least squares problem"

Surrogate-Based Autotuning for Randomized Sketching Algorithms in Regression Problems

Autori: Cho, Younghyun Demmel, James Dereziński, Michał a ďalší

Zdroj: SIAM Journal on Matrix Analysis and Applications. 46(2)

Predmety: 4901 Applied Mathematics (for-2020), 49 Mathematical Sciences (for-2020), randomized numerical linear algebra, sketching algorithm, autotuning, least squares problem, Bayesian optimization, 0102 Applied Mathematics (for), 0103 Numerical and Computational Mathematics (for), Numerical & Computational Mathematics (science-metrix), 4901 Applied mathematics (for-2020)

Popis súboru: application/pdf

Prístupová URL adresa: https://escholarship.org/uc/item/85s5z8tj
https://escholarship.org/content/qt85s5z8tj/qt85s5z8tj.pdf

On the greedy coordinate descent methods for solving large linear least-squares problems

Autori: Dong, Qin Zhang, Nai-Min

Zdroj: Japan Journal of Industrial and Applied Mathematics. 42:813-830

Predmety: Iterative numerical methods for linear systems, maximization, convergence, greedy coordinate descent, Numerical computation of matrix norms, conditioning, scaling, randomization, least-squares problem

Popis súboru: application/xml

A block coordinate descent linear least squares solver by quantile statistics

Autori: Zhang, Ke Deng, Jin-Yu Jiang, Xiang-Long

Zdroj: Japan Journal of Industrial and Applied Mathematics. 42:787-811

Predmety: Iterative numerical methods for linear systems, quantile, Numerical solutions to overdetermined systems, pseudoinverses, Numerical computation of solutions to systems of equations, least squares problem, randomized coordinate descent, Kaczmarz algorithm

Popis súboru: application/xml

Cluster Gauss-Newton method: An algorithm for finding multiple approximate minimisers of nonlinear least squares problems with applications to parameter estimation of pharmacokinetic models

Autori: Aoki, Yasunori Hayami, Ken Toshimoto, Kota a ďalší

Zdroj: Optimization and Engineering. 23(1):169-199

Predmety: Nonlinear least squares problem, Multi-start method, Cluster Newton method, Derivative-free method, Physiologically based pharmacokinetic (PBPK) model, Parameter estimation

Popis súboru: electronic

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-478299
https://doi.org/10.1007/s11081-020-09571-2

Survey of a class of iterative row-action methods: The Kaczmarz method

Autori: Ferreira, Inés A. Acebrón, Juan Antonio Monteiro, José a ďalší

Prispievatelia: Ferreira, Inés A. Acebrón, Juan Antonio Monteiro, José a ďalší

Zdroj: e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
Universidad Carlos III de Madrid (UC3M)

Predmety: Matemáticas, Randomized algorithms, FOS: Mathematics, Linear systems, Iterative algorithms, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), Kaczmarz algorithm, Rate of convergence, 0101 mathematics, 15A06, 65F10, 65F20, 68W20, 68U, 01 natural sciences, Least-squares problem

Popis súboru: application/pdf

Prístupová URL adresa: http://arxiv.org/abs/2401.02842
https://hdl.handle.net/10016/47510

Local convergence of a two-step Gauss-Newton Werner-type method for solving least squares problems

Autori: Ioannis K. Argyros Santhosh George

Zdroj: Journal of Numerical Analysis and Approximation Theory, Vol 53, Iss 1 (2024)

Predmety: average Lipschitz condition, Gauss-Newton method, QA1-939, local convergence, least squares problem, Werner's method, 0101 mathematics, 01 natural sciences, Mathematics

Prístupová URL adresa: https://doaj.org/article/a0f5f72e835a42b19eaf83a3e75c58aa

A Riemannian conjugate gradient method for solving the tensor fixed-rank least-squares problem. ETNA - Electronic Transactions on Numerical Analysis

Autori: Li, Chun-Mei Peng, Hui-Yan Duan, Xue-Feng a ďalší

Predmety: tensor least-squares problem, fixed-rank constraint, Riemannian conjugate gradient method, exact line search, convergence analysis,Mathematics, Physics and Space Research

Popis súboru: application/pdf

Speeding Up Krylov Subspace Methods for Computing \(\boldsymbol{{f}(A){b}}\) via Randomization

Autori: Alice Cortinovis Daniel Kressner Yuji Nakatsukasa

Zdroj: SIAM Journal on Matrix Analysis and Applications. 45:619-633

Predmety: Key words. matrix functions, Krylov subspace method, sketching, nonorthonormal basis, ran- domized algorithms, least-squares problem

Model-Based 3-D X-Ray Induced Acoustic Computerized Tomography

Autori: Pandey, Prabodh Kumar Wang, Siqi Sun, Leshan a ďalší

Zdroj: IEEE Transactions on Radiation and Plasma Medical Sciences. 7(5)

Predmety: Biomedical and Clinical Sciences, Engineering, Clinical Sciences, Biomedical Engineering, Oncology and Carcinogenesis, Bioengineering, Image reconstruction, X-ray imaging, Computational modeling, Three-dimensional displays, Tomography, Acoustics, Biomedical imaging, least-squares (LS) problem, model back-projection, model-based (MB) image reconstruction, regularization, X-ray induced acoustic tomography, least-squares problem, model-based image reconstruction

Popis súboru: application/pdf

Prístupová URL adresa: https://escholarship.org/uc/item/2nw3g6g2
https://escholarship.org/content/qt2nw3g6g2/qt2nw3g6g2.pdf

CÁLCULO EFICIENTE DEL ESTIMADOR JACKINIFE PARA MÍNIMOS CUADRADOS LINEALES DE RANGO DEFICIENTE

Autori: Martínez R., Héctor Jairo Sanabria R., Ana María

Zdroj: Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, Vol 36, Iss 141 (2023)
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, Volume: 36, Issue: 141, Pages: 587-594, Published: 01 DEC 2012

Predmety: Mínimos cuadrado lineales, full range, Q1-390, rank deficient, Science (General), Rango completo, Linear least squares problem, Rango deficiente, Jackknife estimator, Mínimos cuadrados lineales, Estimador jackknife

Popis súboru: text/html

Prístupová URL adresa: https://doaj.org/article/fc02ccd3fc7a477f8c959c71e419fa51
http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0370-39082012000400009&lng=en&tlng=en

On generating Sobolev orthogonal polynomials

Autori: Niel Van Buggenhout

Zdroj: e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
Universidad Carlos III de Madrid (UC3M)

Predmety: Sobolev orthogonal polynomials, 65F18 15B99 42C05, Matemáticas, Hessenberg inverse eigenvalue problem, Krylov subspaces, FOS: Mathematics, Mathematics - Numerical Analysis, Numerical Analysis (math.NA), 0101 mathematics, Hermite least squares problem, 01 natural sciences

Popis súboru: application/pdf

Prístupová URL adresa: http://arxiv.org/abs/2302.10691
https://hdl.handle.net/10016/45481

Deformation analysis by an improved similarity transformation

Autori: Vahid Mahboub

Zdroj: Applied Computing and Geosciences, Vol 25, Iss , Pp 100221- (2025)

Predmety: Deformation analysis, Weighted total least-squares method, Nonlinear similarity transformation, Structured total Least-Squares problem, Geography. Anthropology. Recreation, Geology, QE1-996.5, Electronic computers. Computer science, QA75.5-76.95

Popis súboru: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2590197425000035; https://doaj.org/toc/2590-1974

Prístupová URL adresa: https://doaj.org/article/70d0795b7c6a4a64aaff72c16cee8bff

A Quasi-Newton Subspace Trust Region Algorithm for Nonmonotone Variational Inequalities in Adversarial Learning over Box Constraints

Autori: Zicheng Qiu Jie Jiang Xiaojun Chen a ďalší

Prispievatelia: Zicheng Qiu Jie Jiang Xiaojun Chen a ďalší

Zdroj: Journal of Scientific Computing. 101

Predmety: Generative adversarial networks, Optimization and Control (math.OC), Nonmonotone variational inequality, 0211 other engineering and technologies, FOS: Mathematics, Min-max optimization, 02 engineering and technology, Least squares problem, Quasi-Newton method, Mathematics - Optimization and Control

Prístupová URL adresa: http://arxiv.org/abs/2302.05935

Post-flight trajectory reconstruction of suborbital free-flyers using GPS raw data

Autori: Ivchenko, Nickolay Yuan, Yunxia Lindén, Erik

Zdroj: Journal of Geodetic Science. 7(1):94-104

Predmety: Estimation, Least squares problem, Optimization

Popis súboru: print

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-312326
https://doi.org/10.1515/jogs-2017-0011

An iterative method for solving nonlinear least squares problems with nondifferentiable operator

Autori: Shakhno, S. M. Iakymchuk, Roman Yarmola, H.P.

Zdroj: Matematychni Studii. 48(1):97-107

Predmety: Differential-difference method, Divided differences, Error estimates, Nonlinear least squares problem, Radius of convergence, Residual

Popis súboru: print

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227848
https://doi.org/10.15330/ms.48.1.97-107

Structured condition numbers for a linear function of the solution of the generalized saddle point problem. ETNA - Electronic Transactions on Numerical Analysis

Autori: Khatun, Pinki Ahmad, Sk. Safique

Predmety: generalized saddle point problems condition number perturbation analysis weighted regularized least-squares problem Toeplitz matrices,Mathematics, Physics and Space Research

Popis súboru: application/pdf

Structured conditioning theory for the total least squares problem with linear equality constraint and their estimation

Autori: Mahvish Samar Xinzhong Zhu

Zdroj: AIMS Mathematics, Vol 8, Iss 5, Pp 11350-11372 (2023)

Predmety: unstructured condition numbers, structured condition numbers, total least squares problem with linear equality constraint, QA1-939, Mathematics

Prístupová URL adresa: https://doaj.org/article/7d08e135a7d642a1a8d71f4639518efe

Sparsity Optimization in Design of Multidimensional Filter Networks

Autori: Andersson, Mats Burdakov, Oleg Knutsson, Hans a ďalší

Zdroj: Optimization and Engineering. 16(2):259-277

Predmety: Sparse optimization, Cardinality Constraint, Multicriteria Optimization, Multilinear Least-Squares Problem, Filter networks, Medical imaging

Popis súboru: electronic

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-115788
https://liu.diva-portal.org/smash/get/diva2:796663/FULLTEXT01.pdf

Conditioning Theory for ML-Weighted Pseudoinverse and ML-Weighted Least Squares Problem

Autori: Mahvish Samar Xinzhong Zhu Huiying Xu

Zdroj: Axioms, Vol 13, Iss 6, p 345 (2024)

Predmety: mixed and componentwise condition numbers, ℳℒ-weighted least squares problem, normwise condition number, small-sample statistical condition estimation, 0202 electrical engineering, electronic engineering, information engineering, QA1-939, 02 engineering and technology, 0101 mathematics, 01 natural sciences, ℳℒ-weighted pseudoinverse, Mathematics

Prístupová URL adresa: https://doaj.org/article/4dd4faba64884132a92f46e44ef29f4c

Solving bilinear tensor least squares problems and application to Hammerstein identification

Autori: Eldén, Lars Ahmadi-Asl, Salman

Zdroj: Numerical Linear Algebra with Applications. 26(2)

Predmety: bilinear regression, bilinear tensor least squares problem, Hammerstein identification, Gauss-Newton-type method, separable, variable projection

Popis súboru: electronic

Prístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-154538
https://liu.diva-portal.org/smash/get/diva2:1290534/FULLTEXT01.pdf