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161
The Dirichlet problem for elliptic equation with several singular coefficients
Published 2019-07-01“…Recently found all the fundamental solutions of a multidimensional singular elliptic equation are expressed in terms of the well-known Lauricella hypergeometric function in many variables. In this paper, we find a unique solution of the Dirichlet problem for an elliptic equation with several singular coefficients in explicit form. …”
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162
An Improvement of Least Squares Theory: Theory of Least p-Variances Approximation and p-Uncorrelated Functions
Published 2025-07-01“…In this direction, some new concepts, such as p-covariances with respect to a fixed variable, p-correlation coefficients with respect to a fixed variable, and p-uncorrelatedness with respect to a fixed variable, are defined in order to establish least p-variance approximations. …”
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163
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164
Variable Structure Depth Controller for Energy Savings in an Underwater Device: Proof of Stability
Published 2025-07-01“…Recent work introduced a variable structure depth controller for a sensor platform with a variable buoyancy module, resulting in a 22% reduction in energy consumption. …”
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165
Objective Functions for the Blade Shape Optimisation of a Cross-Flow Tidal Turbine under Constraints
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166
Multivariate Spatial Autoregressive Model with Latent Variables: Application to Economic Growth Modeling
Published 2025-10-01“…Research involving causal relationships among latent variables that generally use structural equation modeling (SEM) analysis and spatial data simultaneously has an unavoidable impact on using spatial SEM analysis. …”
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167
Variable Structure Control and Its Ground Experimental Test for the Space Station Robot
Published 2022-01-01“…To save cost and improve the efficiency of the test, this paper develops a plan in which controllers undergo preliminary testing in a 6-DOF industrial robot. …”
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168
Stochastic Characteristics and Optimal Control for a Stochastic Chemostat Model with Variable Yield
Published 2020-01-01“…In this paper, a stochastic chemostat model with variable yield and Contois growth function is investigated. …”
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169
Blood pressure variability combined with coagulation function in early prediction and outcome assessment of germinal matrix-intraventricular hemorrhage in preterm infants with gest...
Published 2025-01-01“…<h4>Objective</h4>To determine the association between blood pressure variability (BPV), coagulation indexes, and germinal matrix-intraventricular hemorrhage (GMH-IVH) in preterm infants with gestational age ≤ 32 weeks. …”
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170
Interannual variability in thermal state of the upper mixed layer in the Bering Sea in winter
Published 2023-10-01“…Series of annual mean fields of the mixed layer temperature in December-March were decomposed by applying the empirical orthogonal function (EOF); dynamics of the first two components of decomposition (described in sum 50.4 % of the initial fields variability) are analyzed. …”
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171
Exploring the impact of AI on employee self-competence performance key variables and outcomes
Published 2025-07-01“…Abstract In the dynamic business world, organizations must upgrade their functioning and develop human resources skills to achieve optimal performance. …”
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172
Sparsity‐optimised farrow structure variable fractional delay filter for wideband array
Published 2023-06-01“…The established cost function is formulated as a parametric minimisation problem with multiple regularisation constraints, and solved by the modified three‐block alternating direction multiplier method (MTB‐ADMM), which is improved by introducing core variable correction items to ensure stable and fast convergence. …”
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173
Modeling and Simulation of an Intelligent Photovoltaic Controller Based on Variable Step Algorithm of Versoria
Published 2020-01-01“…For the limitation of fuzzy control algorithm, considering the property of the Versoria function, an MPPT design method for an intelligent controller based on the Versoria variable step algorithm is further proposed. …”
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174
Near-Infrared Electronically-Controlled Variable Attenuator for W-Band Frequency Range
Published 2025-01-01“…This article presents the design, fabrication, and performance evaluation of a novel high-performance millimeter-wave (mm-wave) variable attenuator operating across the 75–110 GHz frequency band, controlled via near-infrared (NIR) illumination. …”
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175
Blood Pressure Variability and Severity of Early Prognosis in Patients with Acute Pontine Infarction
Published 2020-01-01“…Increased blood pressure (BP) variability may worsen the prognosis of stroke. This study aimed at investigating the association between BP variability and early functional prognosis in patients with pontine infarction. …”
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176
Age differences in the variability and distribution of sleep spindle and rapid eye movement densities.
Published 2014-01-01“…Although age differences were observed in the degree of absolute variability (older adults had significantly larger variances than young adults for sleep efficiency and time spent awake after sleep onset), a similar pattern was also observed within the two age groups: the four sleep measures with the lowest degrees of relative variability were the same and included time spent in REM and Stage 2 sleep, total sleep time, and sleep efficiency. …”
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177
A Home-Based Self-Powered Rehabilitation System With Variable Stiffness Mechanism
Published 2025-01-01“…This paper demonstrates a home-based self-powered rehabilitation system with a variable stiffness mechanism (VSM), providing proper coupling stiffness between the UIS and IS according to the IS’s motor ability. …”
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178
Seismic Response of Variable Section Column with a Change in Its Boundary Conditions
Published 2025-04-01“…As research recommendations, analysis of columns with variable cross-sections and different shapes, different distributed loadings, applying the rotational spring for both ends and over the shape functions, and analysis of buildings by an equivalent system are suggested. …”
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179
The nursing process and total health cost variability: an analysis using machine learning
Published 2025-07-01“…Methods Analytical and retrospective observational study of a population of 1,691,075 people over the age of 15. The explanatory variables were age, sex and nursing process data, with total healthcare cost as the outcome variable. …”
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180
Event-Triggered Fault-Tolerant ADRC for Variable-Load Quadrotor with Prescribed Performance
Published 2025-06-01“…This study proposes an event-triggered fault-tolerant active disturbance rejection control (ADRC) method for variable-load quadrotors with prescribed performance. …”
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