Výsledky vyhľadávania - discrete approximation numerical evolution algorithm

Artificial Viscosity to Get Both Robustness and Discrete Entropy Inequalities Autor Berthon, Christophe, Castro Díaz, Manuel J., Duran, Arnaud, Morales de Luna, Tomás, Saleh, Khaled

“…In the present work, we consider the numerical approximation of the weak solutions of first-order system of evolution laws supplemented with entropy inequalities…”
Získať plný text

Discrete gradient flow approximations of high dimensional evolution partial differential equations via deep neural networks Autor Georgoulis, Emmanuil H., Loulakis, Michail, Tsiourvas, Asterios

“…We consider the approximation of initial/boundary value problems involving, possibly high-dimensional, dissipative evolution partial differential equations (PDEs…”
Získať plný text

A numerical algorithm for Fuchsian equations and fluid flows on cosmological spacetimes Autor Beyer, Florian, LeFloch, Philippe G.

“… Using the method of lines, we introduce a numerical algorithm for the singular initial value problem when data are imposed on the cosmological singularity and the evolution is performed…”
Získať plný text

Discrete Lagrangian algorithm for finding geodesics on triangular meshes Autor Remešíková, Mariana, Šagát, Marián, Novysedlák, Peter

“…The present paper introduces an approximation method for finding open geodesics on triangular surfaces…”
Získať plný text

Turbo Compressed Sensing with Partial DFT Sensing Matrix Autor Ma, Junjie, Yuan, Xiaojun, Ping, Li

“…In this letter, we propose a turbo compressed sensing algorithm with partial discrete Fourier transform (DFT) sensing matrices…”
Získať plný text

IDENT: Identifying Differential Equations with Numerical Time Evolution Autor Kang, Sung Ha, Liao, Wenjing, Liu, Yingjie

“…Identifying unknown differential equations from a given set of discrete time dependent data is a challenging problem…”
Získať plný text

Control, Optimization, and Mathematical Modeling of Complex Systems

“…Complex systems have long been an integral part of modern life and can be encountered everywhere. Undertaking a comprehensive study of such systems is a…”
Získať plný text

Stable fully discrete finite element methods with BGN tangential motion for Willmore flow of planar curves Autor Garcke, Harald, Nürnberg, Robert, Zhao, Quan

“…We propose and analyze stable finite element approximations for Willmore flow of planar curves…”
Získať plný text

Discrete-Time Partially Observable Stochastic Optimal Control Problems of McKean-Vlasov Type and Branching Particle System Approximations Autor Wan, Hexiang, Wang, Guangchen, Xiong, Jie

“…This article investigates a broad category of McKean-Vlasov type discrete-time partially observable stochastic optimal control problems…”
Získať plný text

Tensor Cross Interpolation for Global Discrete Optimization with Application to Bayesian Network Inference Autor Dolgov, S., Savostyanov, D.

“…Global discrete optimization is notoriously difficult due to the lack of gradient information and the curse of dimensionality, making exhaustive search infeasible…”
Získať plný text

Relaxation methods for mixed-integer optimal control of partial differential equations Autor Hante, Falk M., Sager, Sebastian

“…We consider integer-restricted optimal control of systems governed by abstract semilinear evolution equations…”
Získať plný text

A limited-memory BFGS-based differential evolution algorithm for optimal control of nonlinear systems with mixed control variables and probability constraints Autor Wu, Xiang, Zhang, Kanjian

“…), which can be solved by using any gradient-based numerical computation method. Firstly, some binary functions are introduced for each value of the discrete-valued control variable (DCV…”
Získať plný text

Numerical algorithms for generating an almost even approximation of the Pareto front in nonlinear multi-objective optimization problems Autor Dolatnezhadsomarin, Azam, Khorram, Esmaile, Yousefikhoshbakht, Majid

“… Since this set is usually infinite, it is impossible to generate it completely in practice. Therefore, a discrete approximation of the Pareto front is created…”
Získať plný text

A Fully Discrete Mixed Finite Element Method for the Stochastic Cahn–Hilliard Equation with Gradient-Type Multiplicative Noise Autor Feng, Xiaobing, Li, Yukun, Zhang, Yi

“…This paper develops and analyzes a fully discrete mixed finite element method for the stochastic Cahn…”
Získať plný text

High-Resolution Seismic Data Deconvolution by A0 Algorithm Autor Krasnov, Fedor, Butorin, Alexander

“… The goal of sparse spike deconvolution is to recover an approximation of a given noisy measurement T = W ∗ r + W 0…”
Získať plný text

A two-grid temporal second-order scheme for the two-dimensional nonlinear Volterra integro-differential equation with weakly singular kernel Autor Chen, Hao, Qiu, Wenlin, Zaky, Mahmoud A., Hendy, Ahmed S.

“… Moreover, the algorithm uses a central difference approximation for the spatial derivatives…”
Získať plný text

A convergent evolving finite element algorithm for mean curvature flow of closed surfaces Autor Kovács, Balázs, Li, Buyang, Lubich, Christian

“… The numerical method proposed and studied here combines evolving finite elements, whose nodes determine the discrete surface like…”
Získať plný text

A viscoelastic Timoshenko Beam Model: Regularity and Numerical Approximation Autor Li, Yiqun, Wang, Hong, Zheng, Xiangcheng

“…We derive a fully-discrete finite element scheme to a fractional Timoshenko beam model, which characterizes the mechanical responses of viscoelastic beams, thick beams and beams subject to high…”
Získať plný text

Dynamically optimal models of atmospheric motion Autor Voronovich, Alexander G.

“…) of the evolution of the discrete system to the motion of the continuous atmosphere (a dynamically optimal algorithm…”
Získať plný text

ROBUST A PRIORI AND A POSTERIORI ERROR ANALYSIS FOR THE APPROXIMATION OF ALLEN—CAHN AND GINZBURG—LANDAU EQUATIONS PAST TOPOLOGICAL CHANGES Autor BARTELS, SÖREN, MÜLLER, RÜDIGER, ORTNER, CHRISTOPH

“…A priori and a posteriori error estimates are derived for the numerical approximation of scalar and complex valued phase field models…”
Získať plný text