نتایج جستجو برای: activation function

تعداد نتایج: 1567525  

Journal: :Lecture Notes in Computer Science 2022

AbstractWell-known activation functions like ReLU or Leaky are non-differentiable at the origin. Over years, many smooth approximations of have been proposed using various smoothing techniques. We propose new a function by convolving it with approximate identities. In particular, we present and show that they outperform several well-known in datasets models. call this Smooth Activation Unit (SA...

A. Zakeri, A.H. Emami, J. Vahdati Khaki, M.Sh. Bafghi,

Abstract: has been investigated. It has been shown that the mechanism of leaching reaction is diffusion through the product layerand does not undergo any change as a result of mechanical activation in a wide range of experimental conditions.Leaching rate is strongly influenced by milling intensity and the effect of ball to powder mass ratio is stronger thanmilling time. Curve fitting of experim...

Journal: :Development 1998
W Li M Melnick N Perrimon

The small guanine nucleotide binding protein p21(Ras) plays an important role in the activation of the Raf kinase. However, the precise mechanism by which Raf is activated remains unclear. It has been proposed that the sole function of p21(Ras )in Raf activation is to recruit Raf to the plasma membrane. We have used Drosophila embryos to examine the mechanism of Raf (Draf) activation in the com...

1993
Hrushikesh Narhar Mhaskar Charles A. Micchelli

We study the complexity problem in artificial feedforward neural networks designed to approximate real valued functions of several real variables; i.e., we estimate the number of neurons in a network required to ensure a given degree of approximation to every function in a given function class. We indicate how to construct networks with the indicated number of neurons evaluating standard activa...

2011
Saratha Sathasivam S. Sathasivam

Boltzmann machine and new activation function are examined for its ability to accelerate the performance of doing logic programming in Hopfield neural network. Boltzmann machine has a higher capacity than the new activation function. This learning rule also suffers significantly less capacity loss as the network gets larger and more complex. Comparisons are made between these rules to see which...

By using binary ethanol/water mixtures, the separation performance of two improved commercial pervaporation embranes (PERVAPTM) are presented. Separation performance data are analyzed and compared as a function of operating conditions. The effect of initial feed concentration on the separation performance and the effect of feed concentration on apparent activation energy are presented. For memb...

A. Zamanian E. Ganji Babakhani M. Amanipour M. Heidari

A mixed proton–electron conducting perovskite was synthesized by liquid-citrate method and the corresponding membrane was prepared by pressing followed by sintering. The hydrogen permeability of BaCe0.9Yb0.1O3-δ was studied as a function of temperature and hydrogen partial pressure (PH2) gradient. Using 100% dry hydrogen at 1173 K, the hydrogen permeation rate of dense membranes (1.63 mm thick)...

2015
Min Zhang Benjamin L. Prosser Moradeke A. Bamboye Antonio N.S. Gondim Celio X. Santos Daniel Martin Alessandra Ghigo Alessia Perino Alison C. Brewer Christopher W. Ward Emilio Hirsch W. Jonathan Lederer Ajay M. Shah

Fro Ph ne XII Bio of Bio Zh Lis Ma BACKGROUND Renin-angiotensin system activation is a feature of many cardiovascular conditions. Activity of myocardial reduced nicotinamide adenine dinucleotide phosphate oxidase 2 (NADPH oxidase 2 or Nox2) is enhanced by angiotensin II (Ang II) and contributes to increased hypertrophy, fibrosis, and adverse remodeling. Recent studies found that Nox2-mediated r...

2003
Francesca Vitagliano Raffaele Parisi Aurelio Uncini

It is well known that in problems where both amplitude and phase recovery is essential like in signal processing for communications, or in problems of nonlinear signal distortions, like control, signal processing and imaging applications it is important to consider the complex nature (and thus the intimate relation between real and imaginary part) of the data. One of the main problem to design ...

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