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Showing 1-20 of 2,539 results
  1. Stochastic Parameterization with Dynamic Mode Decomposition

    A physical stochastic parameterization is adopted in this work to account for the effects of the unresolved small-scale on the large-scale flow...
    Long Li, Etienne Mémin, Gilles Tissot in Stochastic Transport in Upper Ocean Dynamics
    Conference paper Open access 2023
  2. A data-driven surrogate modeling approach for time-dependent incompressible Navier-Stokes equations with dynamic mode decomposition and manifold interpolation

    This work introduces a novel approach for data-driven model reduction of time-dependent parametric partial differential equations. Using a multi-step...

    Martin W. Hess, Annalisa Quaini, Gianluigi Rozza in Advances in Computational Mathematics
    Article Open access 20 March 2023
  3. A Dynamic Mode Decomposition Based Reduced-Order Model For Parameterized Time-Dependent Partial Differential Equations

    We propose a reduced-order model (ROM) based on dynamic mode decomposition (DMD) for efficient reduced-order modeling of parameterized time-dependent...

    Yifan Lin, Zhen Gao, ... **ang Sun in Journal of Scientific Computing
    Article 18 April 2023
  4. Strong consistency of the projected total least squares dynamic mode decomposition for datasets with random noise

    Dynamic mode decomposition (DMD) has attracted much attention in recent years as an analysis method for time series data. In this paper, we perform...

    Article Open access 14 October 2022
  5. An Adaptive Data-Driven Reduced Order Model Based on Higher Order Dynamic Mode Decomposition

    A new data-driven reduced order model is developed to efficiently simulate transient dynamics, with the aim at computing the final attractor. The...

    Víctor Beltrán, Soledad Le Clainche, José M. Vega in Journal of Scientific Computing
    Article 02 June 2022
  6. Low-Rank Dynamic Mode Decomposition: An Exact and Tractable Solution

    This work studies the linear approximation of high-dimensional dynamical systems using low-rank dynamic mode decomposition. Searching this...

    Patrick Héas, Cédric Herzet in Journal of Nonlinear Science
    Article 08 December 2021
  7. A Data-Driven Partitioned Approach for the Resolution of Time-Dependent Optimal Control Problems with Dynamic Mode Decomposition

    This work recasts time-dependent optimal control problems governed by partial differential equations in a Dynamic Mode Decomposition with control...
    Eleonora Donadini, Maria Strazzullo, ... Gianluigi Rozza in Spectral and High Order Methods for Partial Differential Equations ICOSAHOM 2020+1
    Conference paper 2023
  8. Dynamic Mode Decomposition for Continuous Time Systems with the Liouville Operator

    Dynamic mode decomposition (DMD) has become synonymous with the Koopman operator, where continuous time dynamics are discretized and examined using...

    Joel A. Rosenfeld, Rushikesh Kamalapurkar, ... Taylor T. Johnson in Journal of Nonlinear Science
    Article 01 December 2021
  9. Two-Stage Dynamic Programming in the Routing Problem with Decomposition

    Abstract

    This paper considers an optimal movement routing problem with constraints. One such constraint is due to decomposing the original problem...

    A. G. Chentsov, P. A. Chentsov in Automation and Remote Control
    Article 01 May 2023
  10. Toward Fitting Structured Nonlinear Systems by Means of Dynamic Mode Decomposition

    The dynamic mode decomposition (DMD) is a data-driven method used for identifying the dynamics of complex nonlinear systems. It extracts important...
    Ion Victor Gosea, Igor Pontes Duff in Model Reduction of Complex Dynamical Systems
    Chapter 2021
  11. Data Driven Stochastic Primitive Equations with Dynamic Modes Decomposition

    As planetary flows are characterised by interaction of phenomenons in a huge range of scales, it is unaffordable today to resolve numerically the...
    Francesco L. Tucciarone, Etienne Mémin, Long Li in Stochastic Transport in Upper Ocean Dynamics II
    Conference paper Open access 2024
  12. Deflated domain decomposition method for structural problems

    The paper presents a fast and stable solver algorithm for structural problems. The point is the distance between the eigenvector of the constrained...

    Article Open access 08 February 2024
  13. A Randomized Singular Value Decomposition for Third-Order Oriented Tensors

    The oriented singular value decomposition (O-SVD) proposed by Zeng and Ng provides a hybrid approach to the t-product-based third-order tensor...

    Minghui Ding, Yimin Wei, Pengpeng **e in Journal of Optimization Theory and Applications
    Article 02 March 2023
  14. Dynamic Mode Decomposition: A Tool to Extract Structures Hidden in Massive Datasets

    Dynamic Mode Decomposition (DMD) is able to decompose flow field data into coherent modes and determine their oscillatory frequencies and...
    Chapter 2020
  15. On Large-Scale Dynamic Topic Modeling with Nonnegative CP Tensor Decomposition

    There is currently an unprecedented demand for large-scale temporal data analysis due to the explosive growth of data. Dynamic topic modeling has...
    Miju Ahn, Nicole Eikmeier, ... Chuntian Wang in Advances in Data Science
    Chapter 2021
  16. Learning Proper Orthogonal Decomposition of Complex Dynamics Using Heavy-ball Neural ODEs

    Proper orthogonal decomposition (POD) allows reduced-order modeling of complex dynamical systems at a substantial level, while maintaining a high...

    Justin Baker, Elena Cherkaev, ... Bao Wang in Journal of Scientific Computing
    Article 30 March 2023
  17. Structuring Data with Block Term Decomposition: Decomposition of Joint Tensors and Variational Block Term Decomposition as a Parametrized Mixture Distribution Model

    Abstract

    The idea of using tensor decompositions as a parametric model for group data analysis is developed. Two models (deterministic and...

    I. V. Oseledets, P. V. Kharyuk in Computational Mathematics and Mathematical Physics
    Article 01 May 2021
  18. Robust Two-Stage Estimation in General Spatial Dynamic Panel Data Models

    This paper proposes a robust two-stage estimation procedure for a general spatial dynamic panel data model in light of the two-stage estimation...

    Hao Ding, Baisuo **, Yuehua Wu in Journal of Systems Science and Complexity
    Article 12 December 2023
  19. Wavelet adaptive proper orthogonal decomposition for large-scale flow data

    The proper orthogonal decomposition (POD) is a powerful classical tool in fluid mechanics used, for instance, for model reduction and extraction of...

    Philipp Krah, Thomas Engels, ... Julius Reiss in Advances in Computational Mathematics
    Article Open access 17 February 2022
  20. Sliding mode fault-tolerant control for T–S fuzzy system: a singular system approach

    The problem of sliding mode fault-tolerant control (SMFTC) for T–S fuzzy systems is addressed in this paper. The case that the fuzzy system has...

    Article 29 November 2022
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