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The performance of the standard Online Robust Principal Component Analysis (OR-PCA) technique depends on the optimum tuning of the explicit regularizers and this tuning is dataset sensitive. We aim to remove the dependency on these tuning…

机器学习 · 计算机科学 2025-08-15 Lakshmi Jayalal , Gokularam Muthukrishnan , Sheetal Kalyani

Fundamental rate-distortion-perception (RDP) trade-offs arise in applications requiring maintained perceptual quality of reconstructed data, such as neural image compression. When compressed data is transmitted over public communication…

信息论 · 计算机科学 2026-04-23 Gustaf Åhlgren , Onur Günlü

Functional Data Analysis represents a field of growing interest in statistics. Despite several studies have been proposed leading to fundamental results, the problem of obtaining valid and efficient prediction sets has not been thoroughly…

统计方法学 · 统计学 2021-04-13 Jacopo Diquigiovanni , Matteo Fontana , Simone Vantini

This paper is concerned with the fault diagnosis problem for general linear heterodirectional hyperbolic ODE-PDE systems. A systematic solution is presented for additive time-varying actuator, process and sensor faults in the presence of…

系统与控制 · 电气工程与系统科学 2020-10-23 Ferdinand Fischer , Joachim Deutscher

Causal decomposition analysis aims to assess the effect of modifying risk factors on reducing social disparities in outcomes. Recently, this analysis has incorporated individual characteristics when modifying risk factors by utilizing…

机器学习 · 统计学 2025-09-16 Soojin Park , Suyeon Kang , Chioun Lee

Rapidly developing machine learning methods has stimulated research interest in computationally reconstructing differential equations (DEs) from observational data which may provide additional insight into underlying causative mechanisms.…

机器学习 · 计算机科学 2026-05-12 Mingtao Xia , Xiangting Li , Qijing Shen , Tom Chou

Resonance based numerical schemes are those in which cancellations in the oscillatory components of the equation are taken advantage of in order to reduce the regularity required of the initial data to achieve a particular order of error…

数值分析 · 数学 2024-02-14 Jacob Armstrong-Goodall , Yvain Bruned

This paper is concerned with the recovery of (approximate) solutions to parabolic problems from incomplete and possibly inconsistent observational data, given on a time-space cylinder that is a strict subset of the computational domain…

数值分析 · 数学 2021-07-13 Wolfgang Dahmen , Rob Stevenson , Jan Westerdiep

Modern applications are driving demand for ultra-reliable low-latency communications, rekindling interest in the performance of short, high-rate error correcting codes. To that end, here we introduce a soft-detection variant of Guessing…

信息论 · 计算机科学 2021-06-16 Ken R. Duffy

We give a new computational method to obtain symmetries of ordinary differential equations. The proposed approach appears as an extension of a recent algorithm to compute variational symmetries of optimal control problems [Comput. Methods…

经典分析与常微分方程 · 数学 2009-11-13 Paulo D. F. Gouveia , Delfim F. M. Torres

This paper proposes a novel fault detection and isolation (FDI) scheme for distributed parameter systems modeled by a class of parabolic partial differential equations (PDEs) with nonlinear uncertain dynamics. A key feature of the proposed…

系统与控制 · 电气工程与系统科学 2022-03-31 Jingting Zhang , Chengzhi Yuan , Wei Zeng , Cong Wang

PDE discovery shows promise for uncovering predictive models of complex physical systems but has difficulty when measurements are sparse and noisy. We introduce a new approach for PDE discovery that uses two Rational Neural Networks and a…

机器学习 · 计算机科学 2022-06-20 Robert Stephany , Christopher Earls

Off-policy evaluation (OPE) is a critical challenge in robust decision-making that seeks to assess the performance of a new policy using data collected under a different policy. However, the existing OPE methodologies suffer from several…

机器学习 · 统计学 2025-02-11 Muhammad Faaiz Taufiq

We consider an inverse problem involving the reconstruction of the solution to a nonlinear partial differential equation (PDE) with unknown boundary conditions. Instead of direct boundary data, we are provided with a large dataset of…

数值分析 · 数学 2025-07-30 Erik Burman , Mats G. Larson , Karl Larsson , Carl Lundholm

Ordinary differential equations (ODEs) are widely used to model biological, (bio-)chemical and technical processes. The parameters of these ODEs are often estimated from experimental data using ODE-constrained optimisation. This article…

最优化与控制 · 数学 2015-11-06 Anna Fiedler , Fabian J. Theis , Jan Hasenauer

Off-Policy evaluation (OPE) is concerned with evaluating a new target policy using offline data generated by a potentially different behavior policy. It is critical in a number of sequential decision making problems ranging from healthcare…

机器学习 · 统计学 2023-01-02 Yang Xu , Chengchun Shi , Shikai Luo , Lan Wang , Rui Song

Chemical kinetics mechanisms are essential for understanding, analyzing, and simulating complex combustion phenomena. In this study, a Neural Ordinary Differential Equation (Neural ODE) framework is employed to optimize kinetics parameters…

化学物理 · 物理学 2022-09-07 Xingyu Su , Weiqi Ji , Jian An , Zhuyin Ren , Sili Deng , Chung K. Law

We present a new scientific machine learning method that learns from data a computationally inexpensive surrogate model for predicting the evolution of a system governed by a time-dependent nonlinear partial differential equation (PDE), an…

数值分析 · 数学 2022-02-28 Elizabeth Qian , Ionut-Gabriel Farcas , Karen Willcox

We develop a novel multi-layer predictor-feedback to achieve exact compensation of state-dependent input delay of general nonlinear integro-differential equations. The system of interest is an unconventional mixed Partial Differential…

最优化与控制 · 数学 2026-04-09 Tong Li , Peipei Shang , Mamadou Diagne

Load-sharing systems arise in many different reliability applications, for instance, when modeling tensile strength of fibrous composites in textile industry or lifetimes of redundant technical systems in engineering. Sequential order…

统计方法学 · 统计学 2025-05-01 Stefan Bedbur , Johann Köhne , Fabian Mies