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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

Given multiple time series data, how can we efficiently find latent patterns in an arbitrary time range? Singular value decomposition (SVD) is a crucial tool to discover hidden factors in multiple time series data, and has been used in many…

数值分析 · 计算机科学 2018-12-21 Jun-Gi Jang , Dongjin Choi , Jinhong Jung , U Kang

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

Fast computation of singular value decomposition (SVD) is of great interest in various machine learning tasks. Recently, SVD methods based on randomized linear algebra have shown significant speedup in this regime. This paper attempts to…

分布式、并行与集群计算 · 计算机科学 2017-06-23 Yuechao Lu , Fumihiko Ino , Yasuyuki Matsushita

For linearly constrained least-squares problems that depend on a vector of parameters, this paper proposes techniques for reducing the number of involved optimization variables. After first eliminating equality constraints in a numerically…

最优化与控制 · 数学 2020-12-21 Alberto Bemporad , Gionata Cimini

Optimizing large-scale nonconvex problems, common in deep learning, demands balancing rapid convergence with computational efficiency. First-order (FO) optimizers, which serve as today's baselines, provide fast convergence and good…

机器学习 · 计算机科学 2025-09-30 Jiahe Chen , Ziye Ma

The power method and block Lanczos method are popular numerical algorithms for computing the truncated singular value decomposition (SVD) and eigenvalue decomposition problems. Especially in the literature of randomized numerical linear…

数值分析 · 计算机科学 2015-12-21 Shusen Wang , Zhihua Zhang , Tong Zhang

Variance reduced stochastic gradient (SGD) methods converge significantly faster than the vanilla SGD counterpart. However, these methods are not very practical on large scale problems, as they either i) require frequent passes over the…

最优化与控制 · 数学 2018-10-17 Anant Raj , Sebastian U. Stich

We present a new computational approach to approximating a large, noisy data table by a low-rank matrix with sparse singular vectors. The approximation is obtained from thresholded subspace iterations that produce the singular vectors…

统计方法学 · 统计学 2011-12-13 Dan Yang , Zongming Ma , Andreas Buja

We study stochastic convex optimization subjected to linear equality constraints. Traditional Stochastic Alternating Direction Method of Multipliers and its Nesterov's acceleration scheme can only achieve ergodic O(1/\sqrt{K}) convergence…

最优化与控制 · 数学 2017-04-25 Cong Fang , Feng Cheng , Zhouchen Lin

Derivative-free optimization has become an important technique used in machine learning for optimizing black-box models. To conduct updates without explicitly computing gradient, most current approaches iteratively sample a random search…

机器学习 · 统计学 2018-08-03 Liu Liu , Minhao Cheng , Cho-Jui Hsieh , Dacheng Tao

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

This paper presents a new method capable of reconstructing datasets with great precision and very low computational cost using a novel variant of the singular value decomposition (SVD) algorithm that has been named low-cost SVD (lcSVD).…

计算工程、金融与科学 · 计算机科学 2023-11-20 Ashton Hetherington , Soledad Le Clainche

SVD (singular value decomposition) is one of the basic tools of machine learning, allowing to optimize basis for a given matrix. However, sometimes we have a set of matrices $\{A_k\}_k$ instead, and would like to optimize a single common…

机器学习 · 计算机科学 2022-04-19 Jarek Duda

This article introduces a novel methodology that integrates singular value decomposition (SVD) with a shallow linear neural network for forecasting high resolution fluid mechanics data. The method, termed LC-SVD-DLinear, combines a low-cost…

流体动力学 · 物理学 2024-11-27 Ashton Hetherington , Javier López Leonés , Soledad Le Clainche

Random-feature neural networks (RFNNs), including architectures with fixed hidden layers and analytically determined output weights, offer fast training but often suffer from issues due to dense representations of the hidden layer…

数值分析 · 数学 2026-05-11 Kevin Kurian Thomas Vaidyan , Siddharth Rout

We study algorithms for the Schatten-$p$ Low Rank Approximation (LRA) problem. First, we show that by using fast rectangular matrix multiplication algorithms and different block sizes, we can improve the running time of the algorithms in…

数据结构与算法 · 计算机科学 2024-07-17 Praneeth Kacham , David P. Woodruff

In this paper we propose novel methods for compression and recovery of multilinear data under limited sampling. We exploit the recently proposed tensor- Singular Value Decomposition (t-SVD)[1], which is a group theoretic framework for…

信息论 · 计算机科学 2013-11-01 Zemin Zhang , Gregory Ely , Shuchin Aeron , Ning Hao , Misha Kilmer

The singular value decomposition (SVD) is a powerful tool in modern numerical linear algebra, which underpins computational methods such as principal component analysis (PCA), low-rank approximations, and randomized algorithms. Many…

数学软件 · 计算机科学 2026-04-10 Ahmad Abdelfattah , Massimiliano Fasi

This work proposes the Least Squares with Virtual Displacements (LSVD) method to obtain the shear strength of n soil samples for the cohesionless, frictionless and mixed resistance conditions. Finding a common tangent line of more than two…

地球物理 · 物理学 2024-06-28 Emilio Fernando Altamirano Muñiz
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