Zobrazeno 1 - 10
of 215 294
pro vyhledávání: '"Golub’, A."'
Autor:
Bu, Yutong, Chung, Julianne
Solving large-scale Bayesian inverse problems presents significant challenges, particularly when the exact (discretized) forward operator is unavailable. These challenges often arise in image processing tasks due to unknown defects in the forward pro
Externí odkaz:
http://arxiv.org/abs/2411.14409
The generalized Golub-Kahan bidiagonalization has been used to solve saddle-point systems where the leading block is symmetric and positive definite. We extend this iterative method for the case where the symmetry condition no longer holds. We do so
Externí odkaz:
http://arxiv.org/abs/2310.06952
Akademický článek
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The Singular Value Decomposition (SVD) of matrices is a widely used tool in scientific computing. In many applications of machine learning, data analysis, signal and image processing, the large datasets are structured into tensors, for which generali
Externí odkaz:
http://arxiv.org/abs/2311.03109
Autor:
Andrej Belyj
«Серебряный голубь» – повесть выдающегося писателя-символиста А Белого посвящена историческим судьбам России, взаимоотношению интелл
Autor:
Van Assche, Walter
The zeros of type II multiple orthogonal polynomials can be used for quadrature formulas that approximate $r$ integrals of the same function $f$ with respect to $r$ measures $\mu_1,\ldots,\mu_r$ in the spirit of Gaussian quadrature. This was first su
Externí odkaz:
http://arxiv.org/abs/2309.11864
We study an inexact inner-outer generalized Golub-Kahan algorithm for the solution of saddle-point problems with a two-times-two block structure. In each outer iteration, an inner system has to be solved which in theory has to be done exactly. Whenev
Externí odkaz:
http://arxiv.org/abs/2208.01079
Akademický článek
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Face recognition and identification is a very important application in machine learning. Due to the increasing amount of available data, traditional approaches based on matricization and matrix PCA methods can be difficult to implement. Moreover, the
Externí odkaz:
http://arxiv.org/abs/2105.06924
Autor:
Reichel, Lothar, Ugwu, Ugochukwu O
This paper discusses weighted tensor Golub-Kahan-type bidiagonalization processes using the t-product. This product was introduced in [M. E. Kilmer and C. D. Martin, Factorization strategies for third order tensors, Linear Algebra Appl., 435 (2011),
Externí odkaz:
http://arxiv.org/abs/2109.03912