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In this article we present some statistical applications of the functional singular value decomposition (FSVD). This tool allows us to decompose the sample mean of a bivariate stochastic process into components that are functions of…

统计方法学 · 统计学 2012-12-03 Daniel Gervini

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

Dynamic Mode Decomposition (DMD) is a useful tool to effectively extract the dominant dynamic flow structure from a unsteady flow field. However, DMD requires massive computational resources with respect to memory consumption and the usage…

流体动力学 · 物理学 2017-04-03 Daiki Matsumoto , Thomas Indinger

Large language models (LLMs) have achieved remarkable success in natural language processing (NLP) tasks, yet their substantial memory requirements present significant challenges for deployment on resource-constrained devices. Singular…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Zhiteng Li , Mingyuan Xia , Jingyuan Zhang , Zheng Hui , Haotong Qin , Linghe Kong , Yulun Zhang , Xiaokang Yang

The eigenvalue decomposition (EVD) of (a batch of) Hermitian matrices of order two has a role in many numerical algorithms, of which the one-sided Jacobi method for the singular value decomposition (SVD) is the prime example. In this paper…

数值分析 · 数学 2023-10-31 Vedran Novaković

The power of randomized algorithms in numerical methods have led to fast solutions which use the Singular Value Decomposition (SVD) as a core routine. However, given the large data size of modern and the modest runtime of SVD, most…

机器学习 · 计算机科学 2018-12-20 Hui Han Chin , Paul Pu Liang

Dictionary learning and component analysis are part of one of the most well-studied and active research fields, at the intersection of signal and image processing, computer vision, and statistical machine learning. In dictionary learning,…

机器学习 · 统计学 2017-07-27 Mehdi Bahri , Yannis Panagakis , Stefanos Zafeiriou

We propose a new algorithm for the computation of a singular value decomposition (SVD) low-rank approximation of a matrix in the Matrix Product Operator (MPO) format, also called the Tensor Train Matrix format. Our tensor network randomized…

数值分析 · 数学 2017-07-26 Kim Batselier , Wenjian Yu , Luca Daniel , Ngai Wong

The generalized singular value decomposition (GSVD) is a powerful tool for solving discrete ill-posed problems. In this paper, we propose a two-sided uniformly randomized GSVD algorithm for solving the large-scale discrete ill-posed problem…

数值分析 · 数学 2024-12-11 Weiwei Xu , Weijie Shen , Zheng-Jian Bai

In a Jacobi--Davidson (JD) type method for singular value decomposition (SVD) problems, called JDSVD, a large symmetric and generally indefinite correction equation is solved iteratively at each outer iteration, which constitutes the inner…

数值分析 · 数学 2026-02-17 Jinzhi Huang , Zhongxiao Jia

The generalized singular value decomposition (GSVD) of a matrix pair $\{A, L\}$ with $A\in\mathbb{R}^{m\times n}$ and $L\in\mathbb{R}^{p\times n}$ generalizes the singular value decomposition (SVD) of a single matrix. In this paper, we…

数值分析 · 数学 2024-04-02 Haibo Li

Dynamic mode decomposition (DMD), which the family of singular-value decompositions (SVD), is a popular tool of data-driven regression. While multiple numerical tests demonstrated the power and efficiency of DMD in representing data (i.e.,…

数值分析 · 数学 2019-05-07 Hannah Lu , Daniel M. Tartakovsky

The spectral decomposition of a real skew-symmetric matrix $A$ can be mathematically transformed into a specific structured singular value decomposition (SVD) of $A$. Based on such equivalence, a skew-symmetric Lanczos bidiagonalization…

数值分析 · 数学 2024-08-20 Jinzhi Huang , Zhongxiao Jia

We consider a streaming data model in which n sensors observe individual streams of data, presented in a turnstile model. Our goal is to analyze the singular value decomposition (SVD) of the matrix of data defined implicitly by the stream…

信息论 · 计算机科学 2012-11-05 Anna C. Gilbert , Jae Young Park , Michael B. Wakin

Higher order singular value decomposition (HOSVD) is an important tool for analyzing big data in multilinear algebra and machine learning. In this paper, we present two quantum algorithms for HOSVD. Our methods allow one to decompose a…

量子物理 · 物理学 2020-04-07 Lejia Gu , Xiaoqiang Wang , H. W. Joseph Lee , Guofeng Zhang

In this paper, we present a Rank Revealing Randomized Singular Value Decomposition (R3SVD) algorithm to incrementally construct a low-rank approximation of a potentially large matrix while adaptively estimating the appropriate rank that can…

数值分析 · 计算机科学 2016-05-27 Hao Ji , Wenjian Yu , Yaohang Li

Schmidt decomposition of a vector can be understood as writing the singular value decomposition (SVD) in vector form. A vector can be written as a linear combination of tensor product of two dimensional vectors by recursively applying…

量子物理 · 物理学 2025-08-04 Ammar Daskin

Tensor decompositions have rich applications in statistics and machine learning, and developing efficient, accurate algorithms for the problem has received much attention recently. Here, we present a new method built on Kruskal's uniqueness…

机器学习 · 计算机科学 2017-04-20 Miaoyan Wang , Yun S. Song

Filtering based on Singular Value Decomposition (SVD) provides substantial separation of clutter, flow and noise in high frame rate ultrasound flow imaging. The use of SVD as a clutter filter has greatly improved techniques such as vector…

We address the problem of data-driven pattern identification and outlier detection in time series. To this end, we use singular value decomposition (SVD) which is a well-known technique to compute a low-rank approximation for an arbitrary…

统计方法学 · 统计学 2019-03-12 Abdolrahman Khoshrou , Eric J. Pauwels