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Analysing two-dimensional shallow water equations with idealised bottom topographies have many applications in the atmospheric and oceanic sciences; however, restrictive flow pattern assumptions have been made to achieve explicit solutions.…

流体动力学 · 物理学 2023-05-01 Chang Liu , Antwan D. Clark

We propose and implement an algorithm for solving an overdetermined system of partial differential equations in one unknown. Our approach relies on Bour-Mayer method to determine compatibility conditions via Jacobi-Mayer brackets. We solve…

符号计算 · 计算机科学 2017-03-07 Célestin Wafo Soh

This paper presents a novel semi-analytical collocation method to solve multi-term variable-order time fractional partial differential equations (VOTFPDEs). In the proposed method it employs the Fourier series expansion for spatial…

数值分析 · 数学 2020-07-21 Xia Tian , S. Yu. Reutskiy , Zhuo-Jia Fu

Partial differential equations (PDEs) are typically used as models of physical processes but are also of great interest in PDE-based image processing. However, when it comes to their use in imaging, conventional numerical methods for…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Pascal Tom Getreuer , Peyman Milanfar , Xiyang Luo

Recently proposed quasi-classical DBAR-dressing method provides a systematic approach to study the weakly dispersive limit of integrable systems. We apply the quasi-classical DBAR-dressing method to describe dispersive corrections of any…

可精确求解与可积系统 · 物理学 2009-11-10 Boris Konopelchenko , Antonio Moro

We are concerned with the arithmetic of solutions to ordinary or partial nonlinear differential equations which are algebraic in the indeterminates and their derivatives. We call these solutions D-algebraic functions, and their equations…

符号计算 · 计算机科学 2024-06-18 Bertrand Teguia Tabuguia

Finding sparse solutions of underdetermined systems of linear equations is a fundamental problem in signal processing and statistics which has become a subject of interest in recent years. In general, these systems have infinitely many…

机器学习 · 统计学 2010-09-21 Arash Ali Amini , Massoud Babaie-Zadeh , Christian Jutten

Partial Differential Equations (PDE) are fundamental to model different phenomena in science and engineering mathematically. Solving them is a crucial step towards a precise knowledge of the behaviour of natural and engineered systems. In…

The paper aims to establish a fully discrete finite element (FE) scheme and provide cost-effective solutions for one-dimensional time-space Caputo-Riesz fractional diffusion equations on a bounded domain $\Omega$. Firstly, we construct a…

数值分析 · 数学 2017-07-27 Xiaoqiang Yue , Weiping Bu , Shi Shu , Menghuan Liu , Shuai Wang

Several forms for constructing novel physics-informed neural-networks (PINN) for the solution of partial-differential-algebraic equations based on derivative operator splitting are proposed, using the nonlinear Kirchhoff rod as a prototype…

数值分析 · 数学 2026-05-05 Loc Vu-Quoc , Alexander Humer

Over the past decade, Finite Element Method (FEM) has served as a foundational numerical framework for approximating the terms of Time Series Expansion (TSE) as solutions to transient Partial Differential Equation (PDE). However, the…

数值分析 · 数学 2024-09-04 Ahmad Deeb , Denys Dutykh

The analysis of fields in periodic dielectric structures arise in numerous applications of recent interest, ranging from photonic bandgap (PBG) structures and plasmonically active nanostructures to metamaterials. To achieve an accurate…

计算物理 · 物理学 2012-11-22 Andrew D. Baczewski , Nicholas C. Miller , Balasubramaniam Shanker

We present a novel approach that redefines the traditional interpretation of explicit and implicit discretization methods for solving a general class of advection-diffusion equations (ADEs) featuring nonlinear advection, diffusion…

偏微分方程分析 · 数学 2025-06-10 Amin Jafarimoghaddam , Manuel Soler , Irene Ortiz

In this paper, we investigate the existence and finite-time blow-up for the solution of a reaction-diffusion system of semilinear stochastic partial differential equations (SPDEs) subjected to a two-dimensional fractional Brownian motion…

偏微分方程分析 · 数学 2024-05-28 S. Sankar , Manil T. Mohan , S. Karthikeyan

We consider the numerical approximation of a general second order semi--linear parabolic stochastic partial differential equation (SPDE) driven by additive space-time noise. We introduce a new modified scheme using a linear functional of…

数值分析 · 数学 2016-07-20 Gabriel J Lord , Antoine Tambue

In this article we investigate the numerical solution of a scalar semilinear stochastic delay differential equation (SDDE) where the linear instantaneous feedback and nonlinear delayed feedback terms are perturbed by a pair of standard…

数值分析 · 数学 2026-03-24 Cónall Kelly , Wenshi Tang

In this note, two numerical methods of solving fractional differential equations (FDEs) are briefly described, namely predictor-corrector approach of Adams-Bashforth-Moulton type and multi-step generalized differential transform method…

数值分析 · 数学 2018-06-11 Alireza Momenzadeh , Sima Sarv Ahrabi

This paper presents a novel method that allows to generalise the use of the Adam-Bashforth to Partial Differential Equations with local and non local operator. The Method derives a two step Adam-Bashforth numerical scheme in Laplace space…

偏微分方程分析 · 数学 2017-08-07 Rodrigue Gnitchogna Batogna , Abdon Atangana

This paper presents a new approach which uses the tools within Artificial Intelligence (AI) software libraries as an alternative way of solving partial differential equations (PDEs) that have been discretised using standard numerical…

计算工程、金融与科学 · 计算机科学 2025-02-13 T. R. F. Phillips , C. E. Heaney , C. Boyang , A. G. Buchan , C. C. Pain

The measured spatiotemporal response of various physical processes is utilized to infer the governing partial differential equations (PDEs). We propose SimultaNeous Basis Function Approximation and Parameter Estimation (SNAPE), a technique…

机器学习 · 计算机科学 2021-09-17 Sutanu Bhowmick , Satish Nagarajaiah