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This work investigates a two-stage method for constructing projection-based reduced-order models (ROMs) of parameterized partial differential equations (PDEs). Based on established tensorial ROM methodology, the proposed approach reduces…

数值分析 · 数学 2026-04-30 Arjun Vijaywargia , Eric C. Cyr , Anthony Gruber

High-dimensional data in the form of tensors are challenging for kernel classification methods. To both reduce the computational complexity and extract informative features, kernels based on low-rank tensor decompositions have been…

机器学习 · 统计学 2023-02-17 Kirandeep Kour , Sergey Dolgov , Peter Benner , Martin Stoll , Max Pfeffer

Despite all the impressive advances of recurrent neural networks, sequential data is still in need of better modelling. Truncated backpropagation through time (TBPTT), the learning algorithm most widely used in practice, suffers from the…

机器学习 · 计算机科学 2018-12-07 Asier Mujika , Florian Meier , Angelika Steger

The analysis of multidimensional data is becoming a more and more relevant topic in statistical and machine learning research. Given their complexity, such data objects are usually reshaped into matrices or vectors and then analysed.…

机器学习 · 统计学 2021-04-09 Giuseppe Brandi , T. Di Matteo

We solve high-dimensional steady-state Fokker-Planck equations on the whole space by applying tensor neural networks. The tensor networks are a linear combination of tensor products of one-dimensional feedforward networks or a linear…

This paper introduces a multi-way tensor generalization of the Bigraphical Lasso (BiGLasso), which uses a two-way sparse Kronecker-sum multivariate-normal model for the precision matrix to parsimoniously model conditional dependence…

统计方法学 · 统计学 2019-09-24 Kristjan Greenewald , Shuheng Zhou , Alfred Hero

In modern data science, dynamic tensor data is prevailing in numerous applications. An important task is to characterize the relationship between such dynamic tensor and external covariates. However, the tensor data is often only partially…

机器学习 · 统计学 2021-05-17 Jie Zhou , Will Wei Sun , Jingfei Zhang , Lexin Li

Tensor Networks (TN) offer a powerful framework to efficiently represent very high-dimensional objects. TN have recently shown their potential for machine learning applications and offer a unifying view of common tensor decomposition models…

机器学习 · 计算机科学 2021-06-24 Meraj Hashemizadeh , Michelle Liu , Jacob Miller , Guillaume Rabusseau

Distributed parameter systems (DPS) are formulated as partial differential equations (PDE). Especially, under time-varying boundary conditions, PDE introduce force coupling. In the case of the flexible stacker crane (STC), nonlinear…

最优化与控制 · 数学 2025-01-28 Joe Ismail , Steven Liu

Interpretable machine learning is essential in high-stakes domains where decision-making requires accountability, transparency, and trust. While rule-based models offer global and exact interpretability, learning rule sets that…

机器学习 · 计算机科学 2026-03-10 Hans Farrell Soegeng , Sarthak Ketanbhai Modi , Thomas Peyrin

Data tensors of orders 2 and greater are now routinely being generated. These data collections are increasingly huge and growing. Many scientific and medical data tensors are tensor fields (e.g., images, videos, geographic data) in which…

机器学习 · 计算机科学 2024-03-12 Taemin Heo , Chandrajit Bajaj

Feature-distributed data, referred to data partitioned by features and stored across multiple computing nodes, are increasingly common in applications with a large number of features. This paper proposes a two-stage relaxed greedy algorithm…

机器学习 · 统计学 2024-03-12 Shuo-Chieh Huang , Ruey S. Tsay

A theoretical framework for non-negative matrix factorization based on generalized dual Kullback-Leibler divergence, which includes members of the exponential family of models, is proposed. A family of algorithms is developed using this…

机器学习 · 统计学 2019-05-20 Karthik Devarajan

Machine learning and data mining algorithms are becoming increasingly important in analyzing large volume, multi-relational and multi--modal datasets, which are often conveniently represented as multiway arrays or tensors. It is therefore…

数值分析 · 计算机科学 2017-09-12 A. Cichocki , N. Lee , I. V. Oseledets , A. -H. Phan , Q. Zhao , D. Mandic

This paper proposes a novel method for learning highly nonlinear, multivariate functions from examples. Our method takes advantage of the property that continuous functions can be approximated by polynomials, which in turn are representable…

机器学习 · 计算机科学 2020-05-05 Sandor Szedmak , Anna Cichonska , Heli Julkunen , Tapio Pahikkala , Juho Rousu

Contingency table analysis routinely relies on log linear models, with latent structure analysis providing a common alternative. Latent structure models lead to a low rank tensor factorization of the probability mass function for…

统计理论 · 数学 2014-04-03 James E. Johndrow , Anirban Battacharya , David B. Dunson

Multilayer networks describe the rich ways in which nodes are related by accounting for different relationships in separate layers. These multiple relationships are naturally represented by an adjacency tensor. In this work we study the use…

社会与信息网络 · 计算机科学 2024-04-04 Izabel Aguiar , Dane Taylor , Johan Ugander

Because tensor data appear more and more frequently in various scientific researches and real-world applications, analyzing the relationship between tensor features and the univariate outcome becomes an elementary task in many fields. To…

机器学习 · 计算机科学 2019-12-04 Jiaqi Zhang , Beilun Wang

Tensor factorization has been proved as an efficient unsupervised learning approach for health data analysis, especially for computational phenotyping, where the high-dimensional Electronic Health Records (EHRs) with patients' history of…

机器学习 · 计算机科学 2022-11-04 Jing Ma , Qiuchen Zhang , Jian Lou , Li Xiong , Sivasubramanium Bhavani , Joyce C. Ho

We address the computational barrier of deploying advanced deep learning segmentation models in clinical settings by studying the efficacy of network compression through tensor decomposition. We propose a post-training Tucker factorization…

图像与视频处理 · 电气工程与系统科学 2024-04-19 Tobias Weber , Jakob Dexl , David Rügamer , Michael Ingrisch