Search alternatives:
variational » variations (Expand Search)
Showing 21 - 40 results of 3,710 for search 'Variational integration methods', query time: 0.19s Refine Results
  1. 21

    Variational Iteration Method for Volterra Functional Integrodifferential Equations with Vanishing Linear Delays by Ali Konuralp, H. Hilmi Sorkun

    Published 2014-01-01
    “…Application process of variational iteration method is presented in order to solve the Volterra functional integrodifferential equations which have multi terms and vanishing delays where the delay function θ(t) vanishes inside the integral limits such that θ(t)=qt for 0<q<1, t≥0. …”
    Get full text
    Article
  2. 22

    Variational Iteration Transform Method for Fractional Differential Equations with Local Fractional Derivative by Yong-Ju Yang, Liu-Qing Hua

    Published 2014-01-01
    “…The method reduces the integral calculation of the usual variational iteration computations to more easily handled differential operation. …”
    Get full text
    Article
  3. 23
  4. 24
  5. 25
  6. 26

    A Hybrid Model Integrating Variational Mode Decomposition and Intelligent Optimization for Vegetable Price Prediction by Gao Wang, Shuang Xu, Zixu Chen, Youzhu Li

    Published 2025-04-01
    “…This study proposes a hybrid forecasting model integrating variational mode decomposition (VMD), the Fruit Fly Optimization Algorithm (FOA), and a gated recurrent unit (GRU). …”
    Get full text
    Article
  7. 27

    Semi-supervised contrastive learning variational autoencoder Integrating single-cell multimodal mosaic datasets by Zihao Wang, Zeyu Wu, Minghua Deng

    Published 2025-08-01
    “…To address these challenges, we proposes a flexible integration framework based on Variational Autoencoder called scGCM. …”
    Get full text
    Article
  8. 28

    Spatial Variation of Hypsometric Analysis in Nerwa Watershed by Hozan Sadiq Mawlood

    Published 2024-02-01
    “…This study aims to highlight the spatial variation of the values of the hypometric curve and hypsometry integral in the Nirwa basin and its sub-watersheds, and to detect the correlation and the influence degree between the values and the factors influencing them, The importance of the study lies in the fact that it discusses the results of applying mathematical equations to account the values of the hypsometric analysis that indicate the percentage of remaining land masses and the general topographical characteristics of the basin and their exposure to erosion factors, indicating the results in percentage and supported by a graph. …”
    Get full text
    Article
  9. 29

    Frontal sinus variation in extant species of the genera Pan, Gorilla and Homo by Antoine Balzeau, Lou Albessard-Ball, Anna Maria Kubicka, Camille Noûs, Laura T. Buck

    Published 2021-10-01
    “…A simple and repeatable method is described here to quantify variation in the shape, size and bilateral variation of the frontal sinuses. …”
    Get full text
    Article
  10. 30
  11. 31

    Temporal evidence fusion evaluation method considering time sequence variation trend by Sunan Zhang, Yanxin Gao, Yuanchao Kou, Qichao Guo

    Published 2025-07-01
    “…Then, conflict information between evidence was interpreted as the temporal variation information of propositions. An evidence combination rule integrating temporal variation factors of propositions was proposed in this paper. …”
    Get full text
    Article
  12. 32

    SOME PROPERTIES OF THE VARIATIONAL PROBLEMS OF OPTIMAL CONTROL OF CONSUMPTION by Alla Yu. Meyerson, Alexander P. Chernyaev

    Published 2016-08-01
    “…ARTICLE RETRACTEDIn this paper we study the General patterns of models based on variational methods in various problems of optimal control of consumption: decisionmaking in the management of the household, as well as models of the economic dynamics of the Harrod–Domar and Solow. …”
    Get full text
    Article
  13. 33

    A Novel Variational Bayesian Method Based on Student’s <i>t</i> Noise for Underwater Localization by Haoqian Huang, Yutong Zhang, Chenhui Dong

    Published 2025-05-01
    “…In underwater environments, the presence of multipath effects can cause measurement outliers in acoustic sensors, leading to reduced estimation accuracy for integrated navigation. To address this issue, this paper proposes a sliding window variational Kalman filter based on Student’s <i>t</i>-distribution (SWVKF-ST) to improve state estimation accuracy. …”
    Get full text
    Article
  14. 34

    A novel unified variational finite difference (VFD) solution method for optimal control problems by Amir Norouzzadeh, Nader Nariman-zadeh, Reza Ansari

    Published 2025-05-01
    “…To do so, the general form of quadratic performance index function and nonlinear state equations are considered first. Then, the idea of variational differential quadrature method is used to convert the integral/differential equations to the equivalent algebraic form. …”
    Get full text
    Article
  15. 35
  16. 36
  17. 37

    Robust Time-Series InSAR Deformation Monitoring by Integrating Variational Mode Decomposition and Gated Recurrent Units by Peifeng Ma, Zeyu Jiao, Zherong Wu

    Published 2025-01-01
    “…To address these issues, an integration method of variational mode decomposition and gated recurrent unit (VMD-GRU) is proposed in this study to enhance the robustness of continuous large-scale surface deformation monitoring. …”
    Get full text
    Article
  18. 38

    Robust adaptive non‐linear alignment algorithm for SINS/DVL integrated navigation system based on variational Bayesian by Bing Zhu, Jingshu Li, Guoheng Cui, Zuohu Li, Ge Tian, Xia Guo

    Published 2024-11-01
    “…To ensure the SINS/DVL alignment accuracy under non‐linear, non‐Gaussian and uncertain conditions, this paper proposed a robust adaptive unscented Kalman filter (UKF) based on Variational Bayesian (VB) method (VBRAUKF). The proposed VBRAUKF improves the adaptability and robustness of UKF from the following two main aspects. …”
    Get full text
    Article
  19. 39

    The integral equation methods for the perturbed Helmholtz eigenvalue problems by Abdessatar Khelifi

    Published 2005-01-01
    “…In this paper, we address the integral equation method in the evaluation of eigenfunctions and the corresponding eigenvalues of the two-dimensional Laplacian operator under boundary variations of the domain. …”
    Get full text
    Article
  20. 40