Suchergebnisse - discrete approximation numerical evolution algorithm*

Artificial Viscosity to Get Both Robustness and Discrete Entropy Inequalities von 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 …”
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A numerical algorithm for Fuchsian equations and fluid flows on cosmological spacetimes von 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 …”
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Numerical algorithms for generating an almost even approximation of the Pareto front in nonlinear multi-objective optimization problems von 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 …”
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Discrete Lagrangian algorithm for finding geodesics on triangular meshes von Remešíková, Mariana, Šagát, Marián, Novysedlák, Peter

“… The present paper introduces an approximation method for finding open geodesics on triangular surfaces …”
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A limited-memory BFGS-based differential evolution algorithm for optimal control of nonlinear systems with mixed control variables and probability constraints von 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 …”
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A convergent evolving finite element algorithm for mean curvature flow of closed surfaces von Kovács, Balázs, Li, Buyang, Lubich, Christian

“… The numerical method proposed and studied here combines evolving finite elements, whose nodes determine the discrete surface like …”
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IDENT: Identifying Differential Equations with Numerical Time Evolution von Kang, Sung Ha, Liao, Wenjing, Liu, Yingjie

“… Identifying unknown differential equations from a given set of discrete time dependent data is a challenging problem …”
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Turbo Compressed Sensing with Partial DFT Sensing Matrix von Ma, Junjie, Yuan, Xiaojun, Ping, Li

“… In this letter, we propose a turbo compressed sensing algorithm with partial discrete Fourier transform (DFT) sensing matrices …”
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Stable fully discrete finite element methods with BGN tangential motion for Willmore flow of planar curves von Garcke, Harald, Nürnberg, Robert, Zhao, Quan

“… We propose and analyze stable finite element approximations for Willmore flow of planar curves …”
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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 …”
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Tensor Cross Interpolation for Global Discrete Optimization with Application to Bayesian Network Inference von 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 …”
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Relaxation methods for mixed-integer optimal control of partial differential equations von Hante, Falk M., Sager, Sebastian

“… We consider integer-restricted optimal control of systems governed by abstract semilinear evolution equations …”
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High-Resolution Seismic Data Deconvolution by A0 Algorithm von 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 …”
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A Fully Discrete Mixed Finite Element Method for the Stochastic Cahn–Hilliard Equation with Gradient-Type Multiplicative Noise von Feng, Xiaobing, Li, Yukun, Zhang, Yi

“… This paper develops and analyzes a fully discrete mixed finite element method for the stochastic Cahn …”
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A proximal-gradient algorithm for crystal surface evolution von Craig, Katy, Liu, Jian-Guo, Lu, Jianfeng, Marzuola, Jeremy L., Wang, Li

“… As a counterpoint to recent numerical methods for crystal surface evolution, which agree well with microscopic dynamics but suffer from significant stiffness that prevents simulation on fine spatial …”
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A viscoelastic Timoshenko Beam Model: Regularity and Numerical Approximation von 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 …”
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A two-grid temporal second-order scheme for the two-dimensional nonlinear Volterra integro-differential equation with weakly singular kernel von Chen, Hao, Qiu, Wenlin, Zaky, Mahmoud A., Hendy, Ahmed S.

“… Moreover, the algorithm uses a central difference approximation for the spatial derivatives …”
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Dynamically optimal models of atmospheric motion von Voronovich, Alexander G.

“… ) of the evolution of the discrete system to the motion of the continuous atmosphere (a dynamically optimal algorithm …”
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Reduced Basis Approximation for Nonlinear Parametrized Evolution Equations based on Empirical Operator Interpolation von Drohmann, Martin, Haasdonk, Bernard, Ohlberger, Mario

“… We present a new approach to treating nonlinear operators in reduced basis approximations of parametrized evolution equations …”
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Realization of arbitrary unitary operations using discrete-time quantum walks von Han, Yongqi, Zhou, Ying, Wang, Kunkun

“… Conventional methods typically approximate the target evolution by optimizing sequences of fixed single- and two-qubit gates, which often leads to deep circuits and the accumulation of approximation errors …”
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