Results 31 to 40 of about 217,698 (308)

Univariant Approximation by Superpositions of a Sigmoidal Function

open access: yesJournal of Mathematical Analysis and Applications, 1993
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gao, B., Xu, Y.
openaire   +2 more sources

Coefficient estimates for starlike and convex functions related to sigmoid functions

open access: yesUkrains’kyi Matematychnyi Zhurnal, 2023
UDC 517.5 We give sharp coefficient bounds for starlike and convex functions related to modified sigmoid functions. We also provide some sharp coefficients bounds for the inverse  functions and sharp bounds for the initial logarithmic coefficients and  some coefficient differences.
Raza, M., Thomas, D. K., Riaz, A.
openaire   +1 more source

Two-Dimensional Convolutional Recurrent Neural Networks for Speech Activity Detection [PDF]

open access: yes, 2019
Speech Activity Detection (SAD) plays an important role in mobile communications and automatic speech recognition (ASR). Developing efficient SAD systems for real-world applications is a challenging task due to the presence of noise.
Chen, Liming   +7 more
core   +1 more source

Optimal Performance and Application for Seagull Optimization Algorithm Using a Hybrid Strategy

open access: yesEntropy, 2022
This paper aims to present a novel hybrid algorithm named SPSOA to address problems of low search capability and easy to fall into local optimization of seagull optimization algorithm.
Qingyu Xia   +5 more
doaj   +1 more source

Turning on the alarm: the neural mechanisms of the transition from innocuous to painful sensation [PDF]

open access: yes, 2011
The experience of pain occurs when the level of a stimulus is sufficient to elicit a marked affective response, putatively to warn the organism of potential danger and motivate appropriate behavioral responses.
Backonja, Miroslav   +3 more
core   +1 more source

Constructive Approximation by Superposition of Sigmoidal Functions

open access: yesAnalysis in Theory and Applications, 2013
In this paper, a constructive theory is developed for approximating func- tions of one or more variables by superposition of sigmoidal functions. This is done in the uniform norm as well as in the L p norm. Results for the simultaneous approx- imation, with the same order of accuracy, of a function and its derivatives (whenever these exist), are ...
COSTARELLI, DANILO, SPIGLER, Renato
openaire   +1 more source

SinLU: Sinu-Sigmoidal Linear Unit

open access: yesMathematics, 2022
Non-linear activation functions are integral parts of deep neural architectures. Given the large and complex dataset of a neural network, its computational complexity and approximation capability can differ significantly based on what activation function
Ashis Paul   +4 more
doaj   +1 more source

A Maximum Wind-energy Capture Method Based on Sliding Mode Inverse Decoupling Control for Small Permanent Magnet Direct-drive Wind Turbine

open access: yesKongzhi Yu Xinxi Jishu, 2022
Small wind power generation systems have the characteristics of nonlinear strong coupling and the application requirements of small weight and low cost.
WANG Hongru, ZHANG Zhigang
doaj   +1 more source

Approximation order to a function in ( ) by superposition of a sigmoidal function

open access: yesApplied Mathematics Letters, 2002
Abstract We investigate the approximation error to a continuous function defined on the whole real line by superposition of a sigmoidal function. With the minimal constraints on a continuous function, we show that the approximation order by 3n superposition of a sigmoidal function is O (1/n).
Hong, Bum Il, Hahm, Nahmwoo
openaire   +1 more source

Bivariate Beta-LSTM

open access: yes, 2019
Long Short-Term Memory (LSTM) infers the long term dependency through a cell state maintained by the input and the forget gate structures, which models a gate output as a value in [0,1] through a sigmoid function.
Jang, JoonHo   +3 more
core   +1 more source

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