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Simulating physical systems is a core component of scientific computing, encompassing a wide range of physical domains and applications. Recently, there has been a surge in data-driven methods to complement traditional numerical simulations…

机器学习 · 计算机科学 2021-08-19 Karl Otness , Arvi Gjoka , Joan Bruna , Daniele Panozzo , Benjamin Peherstorfer , Teseo Schneider , Denis Zorin

The aim of this paper is to propose an efficient adaptive finite element method for eigenvalue problems based on the multilevel correction scheme and inverse power method. This method involves solving associated boundary value problems on…

数值分析 · 数学 2022-02-25 Qichen Hong , Hehu Xie , Fei Xu

Machine learning surrogate emulators are needed in engineering design and optimization tasks to rapidly emulate computationally expensive physics-based models. In micromechanics problems the local full-field response variables are desired…

计算工程、金融与科学 · 计算机科学 2024-05-17 Patxi Fernandez-Zelaia , Jason Mayeur , Jiahao Cheng , Yousub Lee , Kevin Knipe , Kai Kadau

Simulators based on neural networks offer a path to orders-of-magnitude faster electromagnetic wave simulations. Existing models, however, only address narrowly tailored classes of problems and only scale to systems of a few dozen degrees…

光学 · 物理学 2024-04-02 Charles Dove , Jatearoon Boondicharern , Laura Waller

Complex planning and scheduling problems have long been solved using various optimization or heuristic approaches. In recent years, imitation learning that aims to learn from expert demonstrations has been proposed as a viable alternative…

机器学习 · 计算机科学 2024-05-24 Qian Shao , Pradeep Varakantham , Shih-Fen Cheng

Many parallel and distributed computing research results are obtained in simulation, using simulators that mimic real-world executions on some target system. Each such simulator is configured by picking values for parameters that define the…

分布式、并行与集群计算 · 计算机科学 2024-07-03 Jesse McDonald , Maximilian Horzela , Frédéric Suter , Henri Casanova

The rapid evolution of technology has transformed business operations and customer interactions worldwide, with personalization emerging as a key opportunity for e-commerce companies to engage customers more effectively. The application of…

机器学习 · 计算机科学 2024-08-27 Miguel Alves Gomes , Philipp Meisen , Tobias Meisen

The utility of learning a dynamics/world model of the environment in reinforcement learning has been shown in a many ways. When using neural networks, however, these models suffer catastrophic forgetting when learned in a lifelong or…

机器学习 · 计算机科学 2019-06-12 Nicholas Ketz , Soheil Kolouri , Praveen Pilly

In recent years, solving optimization problems involving black-box simulators has become a point of focus for the machine learning community due to their ubiquity in science and engineering. The simulators describe a forward process…

机器学习 · 计算机科学 2024-06-07 Fabio Valerio Massoli , Tim Bakker , Thomas Hehn , Tribhuvanesh Orekondy , Arash Behboodi

This paper introduces intermittent learning - the goal of which is to enable energy harvested computing platforms capable of executing certain classes of machine learning tasks effectively and efficiently. We identify unique challenges to…

机器学习 · 计算机科学 2019-12-17 Seulki Lee , Bashima Islam , Yubo Luo , Shahriar Nirjon

Extreme Learning Machines (ELM) provide a fast alternative to traditional gradient-based learning in neural networks, offering rapid training and robust generalization capabilities. Its theoretical basis shows its universal approximation…

机器学习 · 计算机科学 2024-06-27 Ergun Biçici

Ab initio simulations are capable of providing detailed information of material behavior at the nanoscale. Simulating experimentally relevant situations is, however, often computationally intense. Using hybrid approaches between ab initio…

计算物理 · 物理学 2019-03-26 Michael Sluydts , Michiel Larmuseau , Johan Lauwaert , Stefaan Cottenier

Outer loop tasks such as optimization, uncertainty quantification or inference can easily become intractable when the underlying high-fidelity model is computationally expensive. Similarly, data-driven architectures typically require large…

机器学习 · 计算机科学 2025-12-03 Cristian J. Villatoro , Gianluca Geraci , Daniele E. Schiavazzi

Many real-world problems rely on finding eigenvalues and eigenvectors of a matrix. The power iteration algorithm is a simple method for determining the largest eigenvalue and associated eigenvector of a general matrix. This algorithm relies…

数值分析 · 数学 2021-09-23 Congzhou M Sha , Nikolay V Dokholyan

Operating directly from raw high dimensional sensory inputs like images is still a challenge for robotic control. Recently, Reinforcement Learning methods have been proposed to solve specific tasks end-to-end, from pixels to torques.…

机器学习 · 计算机科学 2019-01-07 Carlos Florensa , Jonas Degrave , Nicolas Heess , Jost Tobias Springenberg , Martin Riedmiller

Self-training is a useful strategy for semi-supervised learning, leveraging raw texts for enhancing model performances. Traditional self-training methods depend on heuristics such as model confidence for instance selection, the manual…

计算与语言 · 计算机科学 2018-04-17 Chenhua Chen , Yue Zhang

Computationally expensive simulators, implementing mathematical models in computer codes, are commonly approximated using statistical emulators. We develop and assess novel emulation methods for systems best modelled via a chain, series or…

统计方法学 · 统计学 2021-08-26 Samuel E. Jackson , David C. Woods

Todays, Intelligent and web-based E-learning is one of regarded topics. So researchers are trying to optimize and expand its application in the field of education. The aim of this paper is developing of E-learning software which is…

计算机与社会 · 计算机科学 2013-04-17 Hossein Movafegh Ghadirli , Maryam Rastgarpour

We describe an algorithm to compute the extremal eigenvalues and corresponding eigenvectors of a symmetric matrix by solving a sequence of Quadratic Binary Optimization problems. This algorithm is robust across many different classes of…

新兴技术 · 计算机科学 2022-10-12 Benjamin Krakoff , Susan M. Mniszewski , Christian F. A. Negre

Simulations play a key role for inference in collider physics. We explore various approaches for enhancing the precision of simulations using machine learning, including interventions at the end of the simulation chain (reweighting), at the…

高能物理 - 唯象学 · 物理学 2023-10-24 Benjamin Nachman , Ramon Winterhalder