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相关论文: MPINeuralODE: Multiple-Initial-Condition Physics-I…

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In recent years, soft prompt learning methods have been proposed to fine-tune large-scale vision-language pre-trained models for various downstream tasks. These methods typically combine learnable textual tokens with class tokens as input…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Yingjie Tian , Yiqi Wang , Xianda Guo , Zheng Zhu , Long Chen

Physics-Informed Neural Networks (PINNs) combine deep learning with physical constraints for solving partial differential equations (PDEs), and are widely applied in fluid mechanics, heat transfer, and solid mechanics. However, PINN…

机器学习 · 计算机科学 2026-05-18 Xujia Chen , Xinyue Hu , Letian Chen , Daming Shi , Wenhui Fan

We introduce MVPinn, a Physics-Informed Neural Network (PINN) approach tailored for solving the Milne-Eddington (ME) inversion problem, specifically applied to spectropolarimetric observations from the Big Bear Solar Observatory's…

太阳与恒星天体物理 · 物理学 2025-07-15 Qin Li , Bo Shen , Haodi Jiang , Vasyl B. Yurchyshyn , Taylor Baildon , Kangwoo Yi , Wenda Cao , Haimin Wang

Physics-informed deep learning often faces optimization challenges due to the complexity of solving partial differential equations (PDEs), which involve exploring large solution spaces, require numerous iterations, and can lead to unstable…

Neural networks have emerged as powerful surrogates for solving partial differential equations (PDEs), offering significant computational speedups over traditional methods. However, these models suffer from a critical limitation: error…

机器学习 · 计算机科学 2025-12-29 Xinquan Huang , Paris Perdikaris

Physics-informed neural networks (PINNs) are a newly emerging research frontier in machine learning, which incorporate certain physical laws that govern a given data set, e.g., those described by partial differential equations (PDEs), into…

神经与进化计算 · 计算机科学 2023-07-11 Bo Wang , A. K. Qin , Sajjad Shafiei , Hussein Dia , Adriana-Simona Mihaita , Hanna Grzybowska

Differential equations are widely used to describe complex dynamical systems with evolving parameters in nature and engineering. Effectively learning a family of maps from the parameter function to the system dynamics is of great…

机器学习 · 计算机科学 2025-03-12 Xin Li , Chengli Zhao , Xue Zhang , Xiaojun Duan

Modal synthesis methods are a long-standing approach for modelling distributed musical systems. In some cases extensions are possible in order to handle geometric nonlinearities. One such case is the high-amplitude vibration of a string,…

声音 · 计算机科学 2025-05-16 Victor Zheleznov , Stefan Bilbao , Alec Wright , Simon King

In this paper, we follow the physics guided modeling approach and integrate a neural differential equation network into the physical structure of a vehicle single track model. By relying on the kinematic relations of the single track…

计算工程、金融与科学 · 计算机科学 2024-03-19 Stephan Rhode , Fabian Jarmolowitz , Felix Berkel

A primary challenge of physics-informed machine learning (PIML) is its generalization beyond the training domain, especially when dealing with complex physical problems represented by partial differential equations (PDEs). This paper aims…

机器学习 · 计算机科学 2023-12-19 Taniya Kapoor , Abhishek Chandra , Daniel M. Tartakovsky , Hongrui Wang , Alfredo Nunez , Rolf Dollevoet

Physics informed neural networks have been gaining popularity due to their unique ability to incorporate physics laws into data-driven models, ensuring that the predictions are not only consistent with empirical data but also align with…

种群与进化 · 定量生物学 2025-01-30 Dinh Viet Cuong , Branislava Lalić , Mina Petrić , Binh Nguyen , Mark Roantree

Solving for detailed chemical kinetics remains one of the major bottlenecks for computational fluid dynamics simulations of reacting flows using a finite-rate-chemistry approach. This has motivated the use of fully connected artificial…

计算工程、金融与科学 · 计算机科学 2021-10-11 Opeoluwa Owoyele , Pinaki Pal

Partial differential equations (PDEs) are a central tool for modeling the dynamics of physical, engineering, and materials systems, but high-fidelity simulations are often computationally expensive. At the same time, many scientific…

机器学习 · 计算机科学 2026-01-14 Binh Duong Nguyen , Stefan Sandfeld

Neural surrogate models for physical simulations are trained on discretized samples of continuous domains, where the induced empirical measure leads to uneven supervision, biasing optimization and causing spatial inconsistencies in physical…

人工智能 · 计算机科学 2026-05-12 Yuan Mei , Xingyu Song , Xiaowen Song , Naoya Takeishi

This study presents the conditional neural fields for reduced-order modeling (CNF-ROM) framework to approximate solutions of parametrized partial differential equations (PDEs). The approach combines a parametric neural ODE (PNODE) for…

数值分析 · 数学 2024-12-09 Minji Kim , Tianshu Wen , Kookjin Lee , Youngsoo Choi

Few-Shot Learning (FSL) is a challenging task, \emph{i.e.}, how to recognize novel classes with few examples? Pre-training based methods effectively tackle the problem by pre-training a feature extractor and then predicting novel classes…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Baoquan Zhang , Xutao Li , Shanshan Feng , Yunming Ye , Rui Ye

We propose heavy ball neural ordinary differential equations (HBNODEs), leveraging the continuous limit of the classical momentum accelerated gradient descent, to improve neural ODEs (NODEs) training and inference. HBNODEs have two…

机器学习 · 计算机科学 2021-10-12 Hedi Xia , Vai Suliafu , Hangjie Ji , Tan M. Nguyen , Andrea L. Bertozzi , Stanley J. Osher , Bao Wang

Imposing known physical constraints, such as conservation laws, during neural network training introduces an inductive bias that can improve accuracy, reliability, convergence, and data efficiency for modeling physical dynamics. While such…

机器学习 · 计算机科学 2024-02-22 Nithin Chalapathi , Yiheng Du , Aditi Krishnapriyan

Since the advent of the ``Neural Ordinary Differential Equation (Neural ODE)'' paper, learning ODEs with deep learning has been applied to system identification, time-series forecasting, and related areas. Exploiting the diffeomorphic…

机器学习 · 统计学 2025-08-27 Yuji Okamoto , Tomoya Takeuchi , Yusuke Sakemi

This paper introduces a novel approach to solve inverse problems by leveraging deep learning techniques. The objective is to infer unknown parameters that govern a physical system based on observed data. We focus on scenarios where the…

机器学习 · 计算机科学 2023-10-02 Sidney Besnard , Frédéric Jurie , Jalal M. Fadili