Showing 221 - 240 results of 2,557 for search '(functional OR function) gradient', query time: 0.17s Refine Results
  1. 221

    A Penalization-Gradient Algorithm for Variational Inequalities by Abdellatif Moudafi, Eman Al-Shemas

    Published 2011-01-01
    “…Given Ψ:H→R  ∪  {+∞} which acts as a penalization function with respect to the constraint x̅∈C, and a penalization parameter βk, we consider an algorithm which alternates a proximal step with respect to ∂Ψ and a gradient step with respect to A and reads as xk=(I+λkβk∂Ψ)-1(xk-1-λkAxk-1). …”
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  2. 222

    ESTIMATION OF THE CONCRETE PAVEMENT TEMPERATURE FIELDS AND THEIR GRADIENTS by M. K. Pshembaev, Ya. N. Kovalev, V. D. Akelyev

    Published 2015-09-01
    “…The paper presents the evaluation results in form of graphical curves of the temperature allocation along the surfacing thickness as function of its initial temperature and thermophysical characteristics of the concrete.…”
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  3. 223

    Edge-preserving filter with adaptive gradient optimization by Wanshu Fan, Zhixun Su, Hongyan Wang, Nannan Li, Xuan Wang

    Published 2019-02-01
    “…The newly proposed adaptive function is feature-driven and makes the utmost of the image gradient, enabling the filter to remove low-amplitude structures and preserve key edges. …”
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  4. 224

    A comparative machine learning study of schizophrenia biomarkers derived from functional connectivity by Victoria Shevchenko, R. Austin Benn, Robert Scholz, Wei Wei, Carla Pallavicini, Ulysse Klatzmann, Francesco Alberti, Theodore D. Satterthwaite, Demian Wassermann, Pierre-Louis Bazin, Daniel S. Margulies

    Published 2025-01-01
    “…Our study evaluates which connectome features derived from resting state functional MRI — functional connectivity, gradients, or gradient dispersion — best identify schizophrenia. …”
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  5. 225

    MAL-Net: Model-Adaptive Learned Network for Slow-Time Ambiguity Function Shaping by Jun Wang, Xiangqing Xiao, Jinfeng Hu, Ziwei Zhao, Kai Zhong, Chaohai Li

    Published 2025-01-01
    “…Designing waveforms with a Constant Modulus Constraint (CMC) to achieve desirable Slow-Time Ambiguity Function (STAF) characteristics is significantly important in radar technology. …”
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  6. 226

    An interior proximal gradient method for nonconvex optimization by De Marchi, Alberto, Themelis, Andreas

    Published 2024-07-01
    “…We consider structured minimization problems subject to smooth inequality constraints and present a flexible algorithm that combines interior point (IP) and proximal gradient schemes. While traditional IP methods cannot cope with nonsmooth objective functions and proximal algorithms cannot handle complicated constraints, their combined usage is shown to successfully compensate the respective shortcomings. …”
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  7. 227
  8. 228

    A New Approach to Topology Optimization with Genetic Algorithm and Parameterization Level Set Function by Igor Pehnec, Damir Sedlar, Ivo Marinic-Kragic, Damir Vučina

    Published 2025-06-01
    “…In this paper, a new approach to topology optimization using the parameterized level set function and genetic algorithm optimization methods is presented. …”
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  9. 229

    Small- to Large-Scale Electron Beam Powder Bed Fusion of Functionally Graded Steels by Carlos Botero, William Sjöström, Emilio Jimenez-Pique, Andrey Koptyug, Lars-Erik Rännar

    Published 2024-12-01
    “…The present investigation explored the various methods used to adapt the PBF-EB process for the production of functionally graded materials (FGMs). In this way, two pre-alloyed powders—a stainless steel (SS) powder and a highly alloyed cold work tool steel (TS) powder—were combined during processing in an S20 Arcam machine. …”
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  10. 230

    Electroencephalographic criteria of the functional outcome prognosis in the acute period of spontaneous supratentorial intracerebral hemorrhage by O. А. Koziolkin, A. A. Kuznietsov

    Published 2020-10-01
    “…Independent association with the risk of unfavorable functional outcome of SSICH in the acute period was proved for the following indexes of the spectral analysis of EEG pattern in the first 2 days from the onset of the disease: the relative delta band spectral power in the affected hemisphere (OR (95 % CI) = 1.18 (1.11–1.25), P ˂ 0.0001) and the fronto-occipital rhythm gradient of beta band in the affected hemisphere (OR (95 % CI) = 0.0007 (0.0001–0.0293), P = 0.0001). …”
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  11. 231

    Functionally graded materials of SS316L and IN625 manufactured by direct metal deposition by Dev Singh D., Arjula Suresh, Raji Reddy A.

    Published 2024-12-01
    “…Direct metal deposition (DMD) is a layer-by-layer material addition process. Partial functionally graded material (FGM) blocks of size 26 mm wide × 34 mm thick × 32 mm height were 3D printed based on Taguchi’s L9 approach using a commercial DMD machine equipped with a diode laser. …”
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  12. 232

    ECGNet: High-Precision ECG Classification Using Deep Learning and Advanced Activation Functions by Muhammad Abubakar, Ahsan Raza, Arfan Ali Nagra, Anas Bilal, Ahmad Alshammari, Monir Abdullah, Sahraoui Dhelim

    Published 2025-01-01
    “…The proposed AELU (Advanced Exponential Linear Unit) activation, with a learning rate of 0.001, addresses the vanishing gradient issues in ReLU and Sigmoid function, allowing the absolute values of the small negative gradient to be preserved, thereby introducing higher nonlinearity in the output and higher model flexibility. …”
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  13. 233

    Fault diagnosis of nonlinear analog circuits using generalized frequency response function and LSSVM. by Jialiang Zhang, Yaowang Yang

    Published 2024-01-01
    “…A fault diagnosis method of nonlinear analog circuits is proposed that combines the generalized frequency response function (GFRF) and the simplified least squares support vector machine (LSSVM). …”
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  14. 234

    Multiphysical contact of functionally graded magneto-electro-elastic material with imperfect bonding interface by Yijin Sui, Haibo Zhang, Jieliang Zhao, Wenzhong Wang

    Published 2023-10-01
    “…Abstract Three-dimensional (3D) frictional contact model of functionally graded magneto-electro-elastic (FGMEE) material with a conducting spherical punch under electromagnetic fields is presented. …”
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  15. 235

    Optimization Design on Functionally Graded Cem for Trains Based on LPM Model with Calibrated Parameters by Ruixian Qin, Bingzhi Chen

    Published 2020-01-01
    “…Subsequently, a novel crash energy management (CEM) mode with functionally graded energy (FGE) configuration is introduced to the train crash model for improving crashworthiness performance. …”
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  16. 236

    Investigation of influence of objective function valley ratio on the determination error of its minimum coordinates by A. V. Smirnov

    Published 2023-12-01
    “…By additionally taking into account the Euclidian norm of the objective function gradient in the termination point, R2 can be augmented to ~0.95. …”
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  17. 237

    Plant functional traits related to aboveground tree biomass in cloud forests of southeastern Mexico by Noé Velázquez-Rosas, Elizabeth Fuentes Romero, Betsabé Ruiz-Guerra, Hugo López Rosas, Norma Eugenia García Calderón

    Published 2025-03-01
    “…In this study, we analyzed the relationship of functional responses (foliar and wood density) with aboveground tree biomass in cloud forest communities, with the purpose of identifying the causal factors determining the structural variation of these communities along an altitudinal gradient. …”
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  18. 238

    Developing Geometry Based Criterion Function Method for Predicting Porosity in LM6 Castings by A. Sata, N. Maheta, H. Khandelwal, S.K. Gautam

    Published 2025-06-01
    “…Predictive method is crucial to solving this problem. Criterion function is a noteworthy empirical model that has been extensively studied in the literature. …”
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  20. 240

    P-GELU: A Novel Activation Function to Optimize Whisper for Darija Speech Translation by Maria Labied, Abdessamad Belangour, Mouad Banane

    Published 2025-01-01
    “…Activation functions play a critical role in optimizing deep learning models, directly influencing gradient flow, convergence stability, and overall translation accuracy. …”
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