Results 101 to 110 of about 220,793 (302)
Parameter Estimation of Sigmoid Superpositions: Dynamical System Approach
, 2003 Superposition of sigmoid function over a finite time interval is shown to be equivalent to the linear combination of the solutions of a linearly parameterized system of logistic differential equations.
Prokhorov, Danil +2 more
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Modelling approaches to innovative development of forestry enterprises using the sigmoid function
, 2021 Igor Shanin, Anatoly Shtondin
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Bi-Univalent Problems Involving Certain New Subclasses of Generalized Multiplier Transform on Analytic Functions Associated with Modified Sigmoid Function [PDF]
, 2022 Jamiu Olusegun Hamzat +2 more
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Advanced Materials Technologies, EarlyView.This study demonstrates an aluminum‐based hybrid photoresist synthesized via molecular layer deposition (MLD) using trimethylaluminum and hydroquinone. The resist achieves sub‐20 nm resolution and virtually infinite silicon etch selectivity, enabling 40 nm‐wide, micrometer‐tall nanostructures.
Won‐Il Lee +8 more
wiley +1 more source
IEEE AccessOutdoor computer vision systems face significant challenges due to reduced visibility and severe color distortion in the images captured in sand-dust-affected environments. This study aims to improve the visibility of sand-dust-degraded images.
Muhammad Khawaja Kashif Masood +2 more
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Sigmoidal Functions: Some Computational and Modelling Aspects
Biomath Communications, 2015 We В focus on some computational, modelling and approximation issues related to the logistic sigmoidal function and to Heaviside step function. В The Hausdorff approximation of the Heaviside interval step function by sigmoidal functions is discussed from various computational and modelling aspects.
Nikolay Kyurkchiev, Svetoslav Markov
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Advanced Materials Technologies, EarlyView.Lead‐free bismuth halide perovskite memristors exhibit stable low‐voltage resistive switching behavior. The conductance‐activated quasi‐linear memristor model quantitatively reproduces the experimental hysteresis, confirming ion migration‐driven filament dynamics.
So‐Yeon Kim +4 more
wiley +1 more source
Grating Lobe Suppression of Non-Uniform Arrays Based on Position Gradient and Sigmoid Function
IEEE Access, 2019 A super-multivariate optimization algorithm is proposed to suppress the grating lobes (GLs) of non-uniform arrays. For position-only variable cases of any huge array, it is always difficult to deal with by using clustering algorithm because of thousands ...
Xiaomin Xu +3 more
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Approximation by superpositions of a sigmoidal function [PDF]
Mathematics of Control, Signals, and Systems, 1989 In this paper we demonstrate that finite linear combinations of compositions of a fixed, univariate function and a set ofaffine functionals can uniformly approximate any continuous function of n real variables with support in the unit hypercube; only mild conditions are imposed on the univariate function.
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Advanced Robotics Research, EarlyView.A soft robotic simulator is developed to replicate the digital removal of feces (DRF), a sensitive yet essential nursing procedure. Integrating soft actuators, sensors, and a realistic rectal model, the simulator balances functional fidelity with perceptual realism. Engineering evaluations and nurse feedback confirm its potential to enhance training in
Shoko Miyagawa +10 more
wiley +1 more source