Data‐driven linear complexity low‐rank approximation of general kernel matrices: A geometric approach

D Cai, E Chow, Y ** - Numerical Linear Algebra with …, 2023 - Wiley Online Library
A general, rectangular kernel matrix may be defined as K ij= κ (xi, yj) K _ ij= κ\left (x _i, y
_j\right) where κ (x, y) κ\left (x, y\right) is a kernel function and where X= xi i= 1 m X=\left {x …

Efficient randomized tensor-based algorithms for function approximation and low-rank kernel interactions

AK Saibaba, R Minster, ME Kilmer - Advances in Computational …, 2022 - Springer
In this paper, we introduce a method for multivariate function approximation using function
evaluations, Chebyshev polynomials, and tensor-based compression techniques via the …

Scalable Gaussian process analysis for implicit physics-based covariance models

Y Chen, M Anitescu - International Journal for Uncertainty …, 2021 - dl.begellhouse.com
The performance of Gaussian process analysis can be significantly affected by the choice of
the covariance function. Physics-based covariance models provide a systematic way to …

Structured Low-Complexity Matrix and Tensor Approximation with Applications

Y Chen - 2023 - search.proquest.com
Matrix and tensor operations play a vital role in diverse fields such as machine learning,
numerical analysis, computational physics and optimization. As data sizes continue to grow …

[KIRJA][B] Randomized Algorithms for Tensors and Matrices with Applications

RL Minster - 2021 - search.proquest.com
Rigidity of Microsphere Heaps Page 1 ABSTRACT MINSTER, RACHEL LYNN.
Randomized Algorithms for Tensors and Matrices with Applications. (Under the direction of …

-Matrix Accelerated Solution of Surface–Volume–Surface EFIE for Fast Electromagnetic Analysis on 3-D Composite Dielectric Objects

R Gholami, A Menshov… - IEEE Journal on …, 2019 - ieeexplore.ieee.org
An efficient fast direct algorithm based on the hierarchical (-) matrices is presented for
solution of the radiation problems on piecewise homogeneous dielectric objects using …

[SITAATTI][C] H-matrix accelerated solution of surface-volume-surface EFIE for fast electromagnetic analysis on 3-D composite dielectric objects

R Gholami, A Menshov, VI Okhmatovski - IEEE J. Multiscale Multiphys. Comput. Tech., 2019