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Singular Value Decomposition (SVD) is one of the most useful techniques for analyzing data in linear algebra. SVD decomposes a rectangular real or complex matrix into two orthogonal matrices and one diagonal matrix. In this work we…

量子物理 · 物理学 2012-07-31 Laszlo Gyongyosi , Sandor Imre

This thesis gives an overview of the state-of-the-art randomized linear algebra algorithms for singular value decomposition (SVD), including the presentation of existing pseudo-codes and theoretical error analysis. Our main focus is on…

最优化与控制 · 数学 2024-02-29 Xiaowen Li

Singular Value Decomposition (SVD) is a powerful tool for multivariate analysis. However, independent computation of the SVD for each sample taken from a bandlimited matrix random process will result in singular value sample paths whose…

统计理论 · 数学 2007-06-13 D. W. Browne , M. W. Browne , M. P. Fitz

Low-rank decomposition, particularly Singular Value Decomposition (SVD), is a pivotal technique for mitigating the storage and computational demands of Large Language Models (LLMs). However, prevalent SVD-based approaches overlook the…

机器学习 · 计算机科学 2026-01-15 Lin Xv , Xian Gao , Ting Li , Yuzhuo Fu

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

Singular value decomposition (SVD) is widely used in wireless systems, including multiple-input multiple-output (MIMO) processing and dimension reduction in distributed MIMO (D-MIMO). However, the iterative nature of decomposition methods…

信号处理 · 电气工程与系统科学 2025-09-24 Sijia Cheng , Liang Liu , Ove Edfors , Juan Vidal Alegria

Sparsity regularization has garnered significant interest across multiple disciplines, including statistics, imaging, and signal processing. Standard techniques for addressing sparsity regularization include iterative soft thresholding…

最优化与控制 · 数学 2025-06-16 Long Li , Liang Ding

We propose a data-driven sparse recovery framework for hybrid spherical linear microphone arrays using singular value decomposition (SVD) of the transfer operator. The SVD yields orthogonal microphone and field modes, reducing to spherical…

音频与语音处理 · 电气工程与系统科学 2026-02-04 Shunxi Xu , Thushara Abhayapala , Craig T. Jin

Our world is full of physics-driven data where effective mappings between data manifolds are desired. There is an increasing demand for understanding combined model-based and data-driven methods. We propose a nonlinear, learned singular…

机器学习 · 计算机科学 2020-09-30 Yoeri E. Boink , Christoph Brune

Singular value decomposition (SVD) is a standard matrix factorization technique that produces optimal low-rank approximations of matrices. It has diverse applications, including machine learning, data science and signal processing. However,…

数学软件 · 计算机科学 2019-07-16 Vadim Demchik , Miroslav Bačák , Stefan Bordag

Singular value decomposition (SVD) has a crucial role in model order reduction. It is often utilized in the offline stage to compute basis functions that project the high-dimensional nonlinear problem into a low-dimensionsl model which is,…

数值分析 · 数学 2016-11-09 Alessandro Alla , J. Nathan Kutz

A shift of paradigm is currently underway in biomedical ultrasound thanks to plane and diverging waves for ultrafast imaging. One remaining challenge consists in the correction of phase and amplitude aberrations induced during propagation…

图像与视频处理 · 电气工程与系统科学 2019-10-15 Hanna Bendjador , Thomas Deffieux , Mickaël Tanter

We analyze sparse frame based regularization of inverse problems by means of a diagonal frame decomposition (DFD) for the forward operator, which generalizes the SVD. The DFD allows to define a non-iterative (direct) operator-adapted frame…

数值分析 · 数学 2019-12-13 Jürgen Frikel , Markus Haltmeier

The singular value decomposition (SVD) is a crucial tool in machine learning and statistical data analysis. However, it is highly susceptible to outliers in the data matrix. Existing robust SVD algorithms often sacrifice speed for…

机器学习 · 统计学 2024-02-16 Sangil Han , Kyoowon Kim , Sungkyu Jung

Singular Spectrum Analysis (SSA) or Singular Value Decomposition (SVD) are often used to de-noise univariate time series or to study their spectral profile. Both techniques rely on the eigendecomposition of the cor- relation matrix…

信号处理 · 电气工程与系统科学 2018-07-30 A. M. Tomé , D. Malafaia , A. R. Teixeira , E. W. Lang

The singular value decomposition (SVD) is not only a classical theory in matrix computation and analysis, but also is a powerful tool in machine learning and modern data analysis. In this tutorial we first study the basic notion of SVD and…

机器学习 · 计算机科学 2015-10-30 Zhihua Zhang

Singular value decomposition (SVD) is one of the most popular compression methods that approximate a target matrix with smaller matrices. However, standard SVD treats the parameters within the matrix with equal importance, which is a simple…

计算与语言 · 计算机科学 2022-12-19 Ting Hua , Yen-Chang Hsu , Felicity Wang , Qian Lou , Yilin Shen , Hongxia Jin

We present a new approach to solve the exponential retrieval problem. We derive a stable technique, based on the singular value decomposition (SVD) of lag-covariance and crosscovariance matrices consisting of covariance coefficients…

信号处理 · 电气工程与系统科学 2020-08-11 D. J Nicolsky , G. S. Tipenko

The incremental singular value decomposition (SVD) updates a truncated SVD as new columns arrive, replacing a single large SVD with a sequence of small ones. In floating-point arithmetic, each update multiplies the running singular basis by…

数值分析 · 数学 2026-05-05 Yangwen Zhang

An enhanced Kogbetliantz method for the singular value decomposition (SVD) of general matrices of order two is proposed. The method consists of three phases: an almost exact prescaling, that can be beneficial to the LAPACK's xLASV2 routine…

数值分析 · 数学 2026-02-10 Vedran Novaković
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