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921
Kernel Density Estimation for Joint Scrambling in Sensitive Surveys
Published 2025-06-01“…Randomized response models aim to protect respondent privacy when sampling sensitive variables but consequently compromise estimator efficiency. …”
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922
Analyzing the influence of TOE factors on e-auditing adoption in audit firms: The moderating effect of trust
Published 2025-01-01“…Data show that trust functions as a supportive variable for the relationship between TOE and e-auditing but provides minimal strength. …”
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923
Multi-objective design optimization of a transonic axial fan stage using sparse active subspaces
Published 2024-12-01“…Active subspace was used to compute the active variables via singular value decomposition and a hybrid polynomial correlated function expansion was used to construct a surrogate model on the active subspace. …”
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924
Optimization Design of the Transmission System of Small-size Shrub Brush Cutter based on MATLAB
Published 2017-01-01“…By determining the objective function of the transmission system,selecting the independent design variables,determining the constraints,the mathematical model of transmission system is established.The analysis and optimization of the design variables,objective function and the boundary conditions are carried out,the complex method optimization program of MATLAB is written,and by using its powerful ability of optimization design to optimize the transmission system of the brush cutter. …”
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925
Performance evaluation of atmospheric water generation in different climates using thermoelectric cooling
Published 2025-04-01“…In contrast, the variable voltage mode improves efficiency by 30 %, albeit with a lower water yield. …”
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926
Economics production buffalo breeding farms in the province of Nineveh (Badush area a case stady)
Published 2018-12-01“…Results of the estimation showed that the double logarithmic formula is the best formula for the representation of production function and that the function and all the explanatory variables are statistically significant except for green feed and veterinary services.The most significant effect of the employment variable was on the production process، with elasticity of 0.277 and positive indication، and the results of the cost function estimate the best formulas to represent the relationship. …”
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927
Estimation of Stochastic Frontier Models with Fixed Effects through Monte Carlo Maximum Likelihood
Published 2011-01-01“…This paper proposes a procedure for choosing appropriate densities for integrating the incidental parameters from the likelihood function in a general context. The densities are based on priors that are updated using information from the data and are robust to possible correlation of the group-specific constant terms with the explanatory variables. …”
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928
Stochastic Transportation Problem with Multichoice Random Parameter
Published 2023-01-01“…This paper deals with the situation of multiple random choices along with multiple objective functions of the transportation problem. Due to the uncertainty in the environment, the choices of the cost coefficients are considered multichoice random parameters. …”
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929
Anomalous Behavior in Weather Forecast Uncertainty: Implications for Ship Weather Routing
Published 2025-06-01“…This allows uncertainty to be quantified not as a static estimate, but as a function sensitive to both variable type and prediction horizon. …”
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930
Lattice Boltzmann Method for the Generalized Black-Scholes Equation
Published 2023-01-01“…The proposed lattice Boltzmann model can also be applied to a class of partial differential equations with variable coefficients and source terms.…”
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931
A novel unified variational finite difference (VFD) solution method for optimal control problems
Published 2025-05-01“…This article is aimed to propose a simple yet efficient unified numerical strategy for solving both linear and non-linear optimal control problems. …”
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932
Assessment of the social capital impact on the household income of the Russian Federation regions
Published 2019-11-01“…The authors propose a methodological approach that distinguishes the study from other economists – this is mathematical modeling using the extended Cobb-Douglas production function with the inclusion of indicators representing human and social capital in the number of independent variables of this function. …”
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933
Intelligent fault diagnosis of shearer based on simplified interval kernel global-local feature fusion
Published 2024-11-01“…The results show that compared with the midpoint-radius kernel PCA, the kernel local preservation projection and interval kernel global-local feature fusion algorithms, the proposed method has a good monitoring effect on the single variable simulation fault, the multi-variable pick loss and the waterway blockage fault of shearers. …”
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934
行星变速器的模糊可靠性多目标优化设计
Published 2011-01-01“…An objective function for increasing the transmission efficiency and reliability of the planetary system and trying our best to reduce the weight is set up,through the linear weighted function method,the mathematical model of objective function is established.The weighting factors is determined by using the method of design variables normalization.Based on the fuzzy mathematics theory of reliability constraints and geometric constraint,the optimal design is carried out by using optimization toolbox in Matlab.To ensure the optimal parameter to meet the global optimal solution of objective function,stack calculation of the three local optimal solution are carried out.Through an example show that,by using multi-objective optimization method of fuzzy reliability design,the transfer efficiency and stability of the system are improved,the quality of the planet gear train is also reduced.…”
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935
Theoretical and technical concept of cemented backfill material for flexible enhanced thermal energy storage in coal underground space
Published 2025-04-01“…The research status of backfill mining is analyzed based on the current coal mining technology and the scientific concept of "cemented backfill material for flexible enhanced thermal energy storage (CBM–FETES)" is proposed by integrating the idea of functional filling. The core of CBM–FETES is to ensure the four essential conditions: the suitability of geological conditions, the feasibility of thermal storage and extraction technologies, high efficiency in heat and mass transfer, and the safety and stability of the operational cycle. …”
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936
Zoning and Identification of Factors Affecting Illegal Livestock Grazing in Golestan National Park Using Logistic Regression
Published 2025-04-01“…The Aspect factor with a coefficient of 0.0015 was determined to be the least influential independent variable. …”
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937
On the Modular Design Application for the Gas Turbine Sector: A Performance Optimization Approach in the Context of Industry 4.0
Published 2025-02-01“…Indeed, this study presents the functioning of the novel application, the different deployed components and their variables, such as the compressor efficiency, heat exchangers, or turbine stages, and the decision variable, e.g., the costs of generated energy. …”
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938
Surface Defect Detection for Small Samples of Particleboard Based on Improved Proximal Policy Optimization
Published 2025-04-01“…The method integrates the variable action space and the composite reward function and achieves the balanced optimization of different types of defect detection performance by adjusting the scaling and translation amplitude of the detection region. …”
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939
High resolution satellite imaging 0.5U-size freeform telescope for CubeSat
Published 2025-03-01“…The proposed design algorithm proved to be computationally efficient. It enabled to obtain the excellent imaging of the designed telescope, which from mathematical perspective becomes a challenging multi-variable optimization task, unattainable with the standard optimization procedures included in the commercial optical design software.…”
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940
Fisher Information-Based Optimization of Mapped Fourier Grid Methods
Published 2024-10-01“…The mapped Fourier grid method (mapped-FGM) is a simple and efficient discrete variable representation (DVR) numerical technique for solving atomic radial Schrödinger differential equations. …”
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