Showing 1,361 - 1,380 results of 2,557 for search '(functional OR function) gradient', query time: 0.14s Refine Results
  1. 1361

    Lacrimal Outflow Mechanisms and the Role of Scintigraphy: Current Trends by Efstathios Detorakis, Athanassios Zissimopoulos, Konstantinos Ioannakis, Vassilios Kozobolis

    Published 2014-01-01
    “…On the other hand, lacrimal scintigraphy mimicks "physiological" lacrimal outflow, being performed under pressure gradients present in everyday life. This is why it is considered more suitable for the study of functional epiphora. …”
    Get full text
    Article
  2. 1362

    Classification of Nitrogen-Efficient Wheat Varieties Based on UAV Hyperspectral Remote Sensing by Yumeng Li, Chunying Wang, Junke Zhu, Qinglong Wang, Ping Liu

    Published 2025-06-01
    “…Furthermore, the SVM-XGBoost method integrated the extracted feature bands with the support vectors and decision function outputs from the preliminary SVM classification. …”
    Get full text
    Article
  3. 1363

    A new neurodynamic model with Adam optimization method for solving generalized eigenvalue problem by Ebrahim Ganjalipour, Khadijeh Nemati, Amir Hosein Refahi Sheikhani, Hashem Saberi Najafi

    Published 2021-06-01
    “…In this paper we proposed a new neurodynamic model with recurrent learning process for solving ill-condition Generalized eigenvalue problem (GEP) Ax = lambda Bx. our method is based on recurrent neural networks with customized energy function for finding smallest (largest) or all eigenpairs. …”
    Get full text
    Article
  4. 1364

    Accuracy Maximization Analysis for Sensory-Perceptual Tasks: Computational Improvements, Filter Robustness, and Coding Advantages for Scaled Additive Noise. by Johannes Burge, Priyank Jaini

    Published 2017-02-01
    “…Here, we first contribute two technical advances that significantly reduce AMA's compute time: we derive gradients of cost functions for which two popular estimators are appropriate, and we implement a stochastic gradient descent (AMA-SGD) routine for filter learning. …”
    Get full text
    Article
  5. 1365

    A Simple Benchmark Problem for the Numerical Methods of the Cahn–Hilliard Equation by Yibao Li, Chaeyoung Lee, Jian Wang, Sungha Yoon, Jintae Park, Junseok Kim

    Published 2021-01-01
    “…For the benchmark problem, we consider a cosine function as the initial condition. The periodic sinusoidal profile satisfies both the homogeneous and periodic boundary conditions. …”
    Get full text
    Article
  6. 1366

    Conditional Generation of Building Bubble Diagrams Based on Stochastic Differential Equations by Zhiwen Wei, Joonki Lee, Hyeongmo Gu, Seungyeon Choo, Jaeil Kim

    Published 2025-01-01
    “…Since the reverse SDE relies on the gradient of the data distribution (i.e., the score function), we employ a neural network to approximate these gradients. …”
    Get full text
    Article
  7. 1367

    Iterative Linear Quadratic Optimization for Nonlinear Control: Differentiable Programming Algorithmic Templates by Roulet, Vincent, Srinivasa, Siddhartha, Fazel, Maryam, Harchaoui, Zaid

    Published 2024-11-01
    “…Iterative optimization algorithms depend on access to information about the objective function. In a differentiable programming framework, this information, such as gradients, can be automatically derived from the computational graph. …”
    Get full text
    Article
  8. 1368

    Septal alcohol ablation in patients with hypertrophic cardiomyopathy and left ventricular outflow tract obstruction by Mariia S. Nozdriakova, Dmitrii A. Zalyubovsky, Dmitriy S. Maznev, Dmitrii S. Evdokimov, Aleksei S. Sergeev, Eugene A. Shloydo

    Published 2025-01-01
    “…A statistically significant improvement in New York Heart Association functional class was observed — from class III–IV to class I–II (p=0.0009). …”
    Get full text
    Article
  9. 1369

    Prospects of application of artificial neural networks for forecasting of cargo transportation volume in transport systems by D. T. Yakupov, O. N. Rozhko

    Published 2017-11-01
    “…When predicting the ANN, three methods of learning were used: 1) the Levenberg-Marquardt algorithm-network training stops when the generalization ceases to improve, which is shown by the increase in the mean square error of the output value; 2) Bayes regularization method - network training is stopped in accordance with the minimization of adaptive weights; 3) the method of scaled conjugate gradients, which is used to find the local extremum of a function on the basis of information about its values and gradient. …”
    Get full text
    Article
  10. 1370

    Gas Exchange and Mechanical Properties of the Lung in Miners with Severe Concomitant Injury by V. V. Moroz, Yu. A. Churlyaev, V. N Kiselev, P. G Sitnikov, L. Yu. Redkokasha

    Published 2007-12-01
    “…More significant impairments of pulmonary gas exchange and mechanical properties are seen in the miners due to the background changes in external respiratory function in the development of respiratory function after severe concomitant traumatic lesions than in the victims without underground service length, which causes an increase in the duration of respiratory support and intensive care.…”
    Get full text
    Article
  11. 1371

    A probabilistic approach for multiaxial fatigue criteria by M. Muñiz Calvente, S. Blasón, A. Fernández Canteli, A. de Jesús, J. Correia

    Published 2017-01-01
    “…Nevertheless, the random orientation of the predominant defect evidences the possibility of failure being initiated as a function of the predominant defect presence without requiring, necessarily, maximum values of the damage parameter, which emphasizes the need of introducing probabilistic concepts into the failure prediction analysis. …”
    Get full text
    Article
  12. 1372

    Application of Generative Adversarial Networks Based on Global and Local Feature Information in Hippocampus Segmentation by WEI Zhihong, KONG Xudong, KONG Yan, YAN Shiju, DING Yang, WEI Xianding, KONG Dong, YANG Bo

    Published 2025-06-01
    “…First, to improve network stability and segmentation accuracy while reducing the likelihood of problems such as information loss and gradient explosion, we proposed the global GAN (GGAN) by optimizing the generator and loss function of GAN. …”
    Get full text
    Article
  13. 1373

    Distributed Optimal Power and Rate Control in Wireless Sensor Networks by Meiqin Tang, Jianyong Bai, Jing Li, Yalin Xin

    Published 2014-01-01
    “…This paper proposes a power and rate control model based on the network utility maximization (NUM) framework, where a weighting factor is used to reflect the influence degree of the sending power and transmission rate to the utility function. In real networks, nodes interfere with each other in the procedure of transmitting signal, which may lead to signal transmission failure and may negatively have impacts on networks throughput. …”
    Get full text
    Article
  14. 1374

    A Formal Approach to Optimally Configure a Fully Connected Multilayer Hybrid Neural Network by Goutam Chakraborty, Vadim Azhmyakov, Luz Adriana Guzman Trujillo

    Published 2024-12-01
    “…Concretely, we consider the generalized reduced-gradient algorithm in the framework of the auxiliary switched OCP.…”
    Get full text
    Article
  15. 1375

    Structural Optimization of Logistics Distribution System Based on Characteristic State Space by Yongyan Bao, Delun Wang, Yuan Sun, Hao Zheng

    Published 2020-01-01
    “…According to the nature of the characteristic state space, the optimization problem of the logistics distribution system is transformed into a critical path-planning problem, the gradient calculation of the objective function is solved, and an improved genetic algorithm is proposed. …”
    Get full text
    Article
  16. 1376

    Determining parameters of surface defects in the base metal of pipelines using results of complex diagnostics by N.V. Krysko, S.V. Skrynnikov, N.A. Shchipakov, D.M. Kozlov, A.G. Kusyy

    Published 2025-04-01
    “…Finally, the models based on gradient boosting are found to be optimal for all target variables. …”
    Get full text
    Article
  17. 1377

    A fluence map optimization in IMRT for head and neck cancer based on trapezoidal fuzzy numbers* by ام البنین بزرگ, علیرضا فخارزاده جهرمی, علی دلاور خلفی

    Published 2024-02-01
    “…In this study, optimal treatment planning was described as a solution of an optimization problem using a quadratic objective function, where the prescribed target dose is a trapezoidal fuzzy number. …”
    Get full text
    Article
  18. 1378

    Critical Factors in the Performance and Cost of Two-Dimensional Gene Scanning: RB1 as a Model by R.K. Dhanda, N.J. van Orsouw, I. Sigalas, C. Eng, J. Vijg

    Published 1998-10-01
    “…An overall picture of TDGS cost-performance, as compared to direct sequencing, is provided as a function of the number of target fragments.…”
    Get full text
    Article
  19. 1379

    Fault Diagnosis Analysis of Variable Working Condition Gearbox based on DWAE and GRUNN Combination Model by Chuanhui Liu, Xiaojing Chen, Xiaoxiao Hou, Qiang Zhu, Yong Dong

    Published 2022-02-01
    “…The results show that the six fault states of gears can be separated effectively when the model is used to identify gear faults, so as to meet the optimization function of gear state clustering. This model can extract the robust characteristic parameters of DWAE, and it can also use GRUNN to eliminate the gradient. …”
    Get full text
    Article
  20. 1380

    Advances in Unsteady Boundary Layer Transition Research, Part I: Theory and Modeling by M. T. Schobeiri, L. Wright

    Published 2003-01-01
    “…A new unsteady boundary layer transition model was developed based on a universal unsteady intermittency function. It accounts for the effects of periodic unsteady wake flow on the boundary layer transition. …”
    Get full text
    Article