中文
相关论文

相关论文: Learning dynamical systems with hit-and-run random…

200 篇论文

Learning shared structure across environments facilitates rapid learning and adaptive behavior in neural systems. This has been widely demonstrated and applied in machine learning to train models that are capable of generalizing to novel…

机器学习 · 统计学 2025-04-09 Ayesha Vermani , Josue Nassar , Hyungju Jeon , Matthew Dowling , Il Memming Park

Chaotic dynamics is widely used to design pseudo-random number generators and for other applications such as secure communications and encryption. This paper aims to study the dynamics of discrete-time chaotic maps in the digital (i.e.,…

密码学与安全 · 计算机科学 2018-12-19 Chengqing Li , Bingbing Feng , Shujun Li , Juergen Kurths , Guanrong Chen

High-dimensional feature selection is a central problem in a variety of application domains such as machine learning, image analysis, and genomics. In this paper, we propose graph-based tests as a useful basis for feature selection. We…

统计方法学 · 统计学 2024-08-13 Swarnadip Ghosh , Somabha Mukherjee , Divyansh Agarwal , Yichen He , Mingzhi Song , Xuejiao Pei

Data-driven modeling is useful for reconstructing nonlinear dynamical systems when the underlying process is unknown or too expensive to compute. Having reliable uncertainty assessment of the forecast enables tools to be deployed to predict…

统计方法学 · 统计学 2023-11-01 Mengyang Gu , Yizi Lin , Victor Chang Lee , Diana Qiu

Predicting chaotic dynamical systems is critical in many scientific fields, such as weather forecasting, but challenging due to the characteristic sensitive dependence on initial conditions. Traditional modeling approaches require extensive…

机器学习 · 计算机科学 2025-03-12 Christof Schötz , Alistair White , Maximilian Gelbrecht , Niklas Boers

Time-varying covariates are often available in survival studies and estimation of the hazard function needs to be updated as new information becomes available. In this paper, we investigate several different easy-to-implement ways that…

统计方法学 · 统计学 2021-03-04 Hoora Moradian , Weichi Yao , Denis Larocque , Jeffrey S. Simonoff , Halina Frydman

We present that, instead of establishing the equations of motion, one can model-freely reveal the dynamical properties of a black-box system using a learning machine. Trained only by a segment of time series of a state variable recorded at…

机器学习 · 计算机科学 2022-04-15 Hong Zhao

Probabilistic sampling methods have become very popular to solve single-shot path planning problems. Rapidly-exploring Random Trees (RRTs) in particular have been shown to be efficient in solving high dimensional problems. Even though…

人工智能 · 计算机科学 2009-12-02 Nicolas A. Barriga , Mauricio Araya-López

Topological invariants allow to characterize Hamiltonians, predicting the existence of topologically protected in-gap modes. Those invariants can be computed by tracing the evolution of the occupied wavefunctions under twisted boundary…

介观与纳米尺度物理 · 物理学 2018-04-04 D. Carvalho , N. A. Garcia-Martinez , J. L. Lado , J. Fernandez-Rossier

Machine learning techniques not only offer efficient tools for modelling dynamical systems from data, but can also be employed as frontline investigative instruments for the underlying physics. Nontrivial information about the original…

数据分析、统计与概率 · 物理学 2021-02-24 Francesco Borra , Marco Baldovin

Large datasets have become commonplace in NLP research. However, the increased emphasis on data quantity has made it challenging to assess the quality of data. We introduce Data Maps---a model-based tool to characterize and diagnose…

计算与语言 · 计算机科学 2020-10-16 Swabha Swayamdipta , Roy Schwartz , Nicholas Lourie , Yizhong Wang , Hannaneh Hajishirzi , Noah A. Smith , Yejin Choi

Statistical learning in high-dimensional spaces is challenging without a strong underlying data structure. Recent advances with foundational models suggest that text and image data contain such hidden structures, which help mitigate the…

机器学习 · 统计学 2025-02-04 Charles Arnal , Clement Berenfeld , Simon Rosenberg , Vivien Cabannes

This paper focuses on the identification of dynamical systems with tailor-made model structures, where neural networks are used to approximate uncertain components and domain knowledge is retained, if available. These model structures are…

机器学习 · 计算机科学 2021-10-29 Marco Forgione , Dario Piga

We introduce Dynamic Planning Networks (DPN), a novel architecture for deep reinforcement learning, that combines model-based and model-free aspects for online planning. Our architecture learns to dynamically construct plans using a learned…

机器学习 · 计算机科学 2019-02-05 Norman Tasfi , Miriam Capretz

The ability to learn from a small number of examples has been a difficult problem in machine learning since its inception. While methods have succeeded with large amounts of training data, research has been underway in how to accomplish…

机器学习 · 计算机科学 2017-08-24 Nathan Hilliard , Nathan O. Hodas , Courtney D. Corley

This paper introduces a hybrid algorithm of deep reinforcement learning (RL) and Force-based motion planning (FMP) to solve distributed motion planning problem in dense and dynamic environments. Individually, RL and FMP algorithms each have…

机器学习 · 计算机科学 2020-04-01 Samaneh Hosseini Semnani , Hugh Liu , Michael Everett , Anton de Ruiter , Jonathan P. How

Machine Learning with Deep Neural Networks (DNNs) has become a successful tool in solving tasks across various fields of application. However, the complexity of DNNs makes it difficult to understand how they solve their learned task. To…

机器学习 · 计算机科学 2023-06-16 Valerie Krug , Raihan Kabir Ratul , Christopher Olson , Sebastian Stober

Machine/deep learning models have been widely adopted for predicting the configuration performance of software systems. However, a crucial yet unaddressed challenge is how to cater for the sparsity inherited from the configuration…

软件工程 · 计算机科学 2024-11-21 Jingzhi Gong , Tao Chen , Rami Bahsoon

We study a random dynamical system such that one transformation is randomly selected from a family of transformations and then applied on each iteration. For such random dynamical systems, we consider estimates of absolutely continuous…

动力系统 · 数学 2023-03-20 Tomoki Inoue

The survival analysis of driving trajectories allows for holistic evaluations of car-related risks caused by collisions or curvy roads. This analysis has advantages over common Time-To-X indicators, such as its predictive and probabilistic…

机器人学 · 计算机科学 2023-03-16 Tim Puphal , Benedict Flade , Malte Probst , Volker Willert , Jürgen Adamy , Julian Eggert