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For the computation of the generalized singular value decomposition (GSVD) of a large matrix pair $(A,B)$ of full column rank, the GSVD is commonly formulated as two mathematically equivalent generalized eigenvalue problems, so that a…

数值分析 · 数学 2021-04-13 Jinzhi Huang , Zhongxiao Jia

This paper presents a randomized quaternion singular value decomposition (QSVD) algorithm for low-rank matrix approximation problems, which are widely used in color face recognition, video compression, and signal processing problems. With…

数值分析 · 数学 2021-12-28 Qiaohua Liu , Sitao Ling , Zhigang Jia

This article applies low-cost singular value decomposition (lcSVD) for the first time, to the authors knowledge, on combustion reactive flow databases. The lcSVD algorithm is a novel approach to SVD, suitable for calculating high-resolution…

流体动力学 · 物理学 2025-04-01 Prajith Pillai , Ashton Hetherington , Laura Saavedra Sago , Soledad Le Clainche

Motivated by the challenges of analyzing high-dimensional ($p \gg n$) sequencing data from longitudinal microbiome studies, where samples are collected at multiple time points from each subject, we propose supervised functional tensor…

统计方法学 · 统计学 2024-10-15 Mohammad Samsul Alam , Ana-Maria Staicu , Pixu Shi

The oriented singular value decomposition (O-SVD) proposed by Zeng and Ng provides a hybrid approach to the t-product based third-order tensor singular value decomposition with the transform matrix being a factor matrix of the higher order…

数值分析 · 数学 2023-02-28 Minghui Ding , Yimin Wei , Pengpeng Xie

Dealing with zero singular values can be quite challenging, as they have the potential to cause numerous numerical difficulties. This paper presents a method for computing the singular value decomposition (SVD) of a nonnegative bidiagonal…

数值分析 · 数学 2025-10-14 Rong Huang , Jungong Xue

Recently, there has been a lot of research into tensor singular value decomposition (t-SVD) by using discrete Fourier transform (DFT) matrix. The main aims of this paper are to propose and study tensor singular value decomposition based on…

计算机视觉与模式识别 · 计算机科学 2019-02-11 Wen-Hao Xu , Xi-Le Zhao , Michael Ng

Matrix completion is a widely used technique for image inpainting and personalized recommender system, etc. In this work, we focus on accelerating the matrix completion using faster randomized singular value decomposition (rSVD). Firstly,…

机器学习 · 计算机科学 2018-10-17 Xu Feng , Wenjian Yu , Yaohang Li

Return panels, covariances, and large feature matrices evolve one observation or one entry at a time, yet downstream models require an up-to-date low-rank factorization $A_t \approx U_t \Sigma_t V_t^\top$ on every tick -- a regime where…

数值分析 · 数学 2026-05-26 Stilyan Staykov

The randomized singular value decomposition proposed in [27] has certainly become one of the most well-established randomization-based algorithms in numerical linear algebra. The key ingredient of the entire procedure is the computation of…

数值分析 · 数学 2025-08-01 Davide Palitta , Sascha Portaro

In this paper, we show that the SVD of a matrix can be constructed efficiently in a hierarchical approach. Our algorithm is proven to recover the singular values and left singular vectors if the rank of the input matrix $A$ is known.…

数值分析 · 数学 2017-01-09 M. A. Iwen , B. W. Ong

Singular value decomposition (SVD) and matrix inversion are ubiquitous in scientific computing. Both tasks are computationally demanding for large scale matrices. Existing algorithms can approximatively solve these problems with a given…

数值分析 · 数学 2026-01-28 Weiwei Xu , Weijie Shen , Zhengjian Bai , Chen Xu

Higher-order singular value decomposition (HOSVD) is an efficient way for data reduction and also eliciting intrinsic structure of multi-dimensional array data. It has been used in many applications, and some of them involve incomplete…

数值分析 · 数学 2016-08-11 Yangyang Xu

The tensor-train (TT) decomposition is widely used to compress large tensors into a more compact form by exploiting their inherent data structures. A fundamental approach for constructing the TT format is the well-known TT-SVD method, which…

数值分析 · 数学 2026-05-26 Yuchao Wang , Maolin Che , Yimin Wei

Recent studies have demonstrated improved skill in numerical weather prediction via the use of spatially correlated observation error covariance information in data assimilation systems. In this case, the observation weighting matrices…

数值分析 · 数学 2022-01-05 Guannan Hu , Sarah L. Dance

A Cross-Product Free (CPF) Jacobi-Davidson (JD) type method is proposed to compute a partial generalized singular value decomposition (GSVD) of a large regular matrix pair $(A,B)$. It implicitly solves the mathematically equivalent…

数值分析 · 数学 2022-12-14 Jinzhi Huang , Zhongxiao Jia

We evaluate performance of associative memory in a neural network by based on the singular value decomposition (SVD) of image data stored in the network. We consider the situation in which the original image and its highly coarse-grained…

统计力学 · 物理学 2017-03-08 Tatsuya Kumamoto , Mao Suzuki , Hiroaki Matsueda

As deep learning (DL) techniques become integral to various applications, ensuring model fairness while maintaining high performance has become increasingly critical, particularly in sensitive fields such as medical diagnosis. Although a…

机器学习 · 计算机科学 2025-11-21 Yuanbo Guo , Jun Xia , Yiyu Shi

Truncated singular value decomposition (SVD), also known as the best low-rank matrix approximation, has been successfully applied to many domains such as biology, healthcare, and others, where high-dimensional datasets are prevalent. To…

最优化与控制 · 数学 2022-08-09 Yongchun Li , Weijun Xie

We present an alternative method for carrying out a principal-component analysis of Wilson coefficients in standard model effective field theory (SMEFT). The method is based on singular-value decomposition (SVD). The SVD method provides…

高能物理 - 唯象学 · 物理学 2020-07-03 Geoffrey T. Bodwin , Hee Sok Chung