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We study the problem of learning similarity by using nonlinear embedding models (e.g., neural networks) from all possible pairs. This problem is well-known for its difficulty of training with the extreme number of pairs. For the special…

机器学习 · 统计学 2021-06-16 Bowen Yuan , Yu-Sheng Li , Pengrui Quan , Chih-Jen Lin

The class of memory circuit elements which comprises memristive, memcapacitive, and meminductive systems, is gaining considerable attention in a broad range of disciplines. This is due to the enormous flexibility these elements provide in…

仪器与探测器 · 物理学 2012-07-04 Y. V. Pershin , M. Di Ventra

An efficient algorithm for computing eigenvectors of a matrix of integers by exact computation is proposed. The components of calculated eigenvectors are expressed as polynomials in the eigenvalue to which the eigenvector is associated, as…

数值分析 · 数学 2019-02-19 Shinichi Tajima , Katsuyoshi Ohara , Akira Terui

Computer models are now widely used across a range of scientific disciplines to describe various complex physical systems, however to perform full uncertainty quantification we often need to employ emulators. An emulator is a fast…

统计方法学 · 统计学 2019-05-06 Ian Vernon , Samuel E. Jackson , Jonathan A. Cumming

Applications related to artificial intelligence, machine learning, and system identification simulations essentially use eigenvectors. Calculating eigenvectors for very large matrices using conventional methods is compute-intensive and…

性能 · 计算机科学 2020-06-17 Shrey Dabhi , Manojkumar Parmar

Modeling of physical systems includes extensive use of software packages that implement the accurate finite element method for solving differential equations considered along with the appropriate initial and boundary conditions. When the…

计算工程、金融与科学 · 计算机科学 2018-03-20 O. Kononenko , I. Kononenko

In-memory computing technology is used extensively in artificial intelligence devices due to lower power consumption and fast calculation of matrix-based functions. The development of such a device and its integration in a system takes a…

We present a Transformer-based framework for Constraint Satisfaction Problems (CSPs). CSPs find use in many applications and thus accelerating their solution with machine learning is of wide interest. Most existing approaches rely on…

机器学习 · 计算机科学 2025-06-11 Yudong W. Xu , Wenhao Li , Scott Sanner , Elias B. Khalil

Neural operators or emulators for PDEs trained on data from numerical solvers are conventionally assumed to be limited by their training data's fidelity. We challenge this assumption by identifying "emulator superiority," where neural…

机器学习 · 计算机科学 2026-01-15 Felix Koehler , Nils Thuerey

Machine learning can accelerate cosmological inferences that involve many sequential evaluations of computationally expensive data vectors. Previous works in this series have examined how machine learning architectures impact emulator…

High-fidelity physics simulations are powerful tools in the design and optimization of charged particle accelerators. However, the computational burden of these simulations often limits their use in practice for design optimization and…

加速器物理 · 物理学 2020-04-15 Auralee Edelen , Nicole Neveu , Yannick Huber , Mattias Frey , Christopher Mayes , Andreas Adelmann

Simulators are a critical component of modern robotics research. Strategies for both perception and decision making can be studied in simulation first before deployed to real world systems, saving on time and costs. Despite significant…

机器学习 · 计算机科学 2020-11-19 Bhairav Mehta , Ankur Handa , Dieter Fox , Fabio Ramos

We construct product formulas for exponentials of commutators and explore their applications. First, we directly construct a third-order product formula with six exponentials by solving polynomial equations obtained using the operator…

量子物理 · 物理学 2022-05-03 Yu-An Chen , Andrew M. Childs , Mohammad Hafezi , Zhang Jiang , Hwanmun Kim , Yijia Xu

Eigenvector continuation EC has been shown to accurately and efficiently reproduce ground states for targeted sets of Hamiltonian parameters. It uses as variational basis vectors the corresponding ground-state eigensolutions from selected…

核理论 · 物理学 2021-01-28 R. J. Furnstahl , A. J. Garcia , P. J. Millican , Xilin Zhang

Complex phenomena are generally modeled with sophisticated simulators that, depending on their accuracy, can be very demanding in terms of computational resources and simulation time. Their time-consuming nature, together with a typically…

Code LLMs have shown promising results with converting tasks in natural language to programs that can be executed by service robots. We are interested in finetuning small, specialized LLMs for this purpose, but collecting datasets of…

计算与语言 · 计算机科学 2025-10-13 Zichao Hu , Junyi Jessy Li , Arjun Guha , Joydeep Biswas

Autonomous vehicles with a self-evolving ability are expected to cope with unknown scenarios in the real-world environment. Take advantage of trial and error mechanism, reinforcement learning is able to self evolve by learning the optimal…

机器人学 · 计算机科学 2024-08-23 Shuo Yang , Liwen Wang , Yanjun Huang , Hong Chen

High-fidelity quantum dynamics emulators can be used to predict the time evolution of complex physical systems. Here, we introduce an efficient training framework for constructing machine learning-based emulators. Our approach is based on…

量子物理 · 物理学 2022-03-22 Yu Yao , Chao Cao , Stephan Haas , Mahak Agarwal , Divyam Khanna , Marcin Abram

One of the most used approaches in simulating materials is the tight-binding approximation. When using this method in a material simulation, it is necessary to compute the eigenvalues and eigenvectors of the Hamiltonian describing the…

数值分析 · 计算机科学 2009-10-29 Matthias Petschow , Edoardo Di Napoli , Paolo Bientinesi

The capacity for solving eigenstates with a quantum computer is key for ultimately simulating physical systems. Here we propose inverse iteration quantum eigensolvers, which exploit the power of quantum computing for the classical inverse…

量子物理 · 物理学 2022-03-09 Min-Quan He , Dan-Bo Zhang , Z. D. Wang