نتایج جستجو برای: sigmoid function
تعداد نتایج: 1223717 فیلتر نتایج به سال:
This article proposes a new evaluation of relevance in the context of relevance theory (RT). Although RT has made substantial contributions to communication science, there are few studies that employ an experimental setting to examine RT in the real-time interpretation of utterances because the evaluation of relevance has remained inadequate for experimental examination. In the original RT, rel...
When a ow, discontinuous across a switching surface, pointsìnward' so one cannot leave, it induces a unique ow within the surface, called the sliding mode. When several such surfaces intersect, one would seek a ow within the intersection, but some diiculties arise. We explore here the extent of the ambiguity involved in this situation and then show that for a certain form of`natural mechanism f...
We present the case of a young patient with a severely comminuted, malunited, intra-articular distal radius fracture and complete disruption of the sigmoid notch. We reconstructed the malunited distal radioulnar joint by osteotomy and repositioning the displaced sigmoid notch fragments through a combined dorsal and volar approach. At the same time, we carried out a radioscapholunate arthrodesis...
The form of hidden activation functions has been always an important issue in deep neural network (DNN) design. The most common choices for acoustic modelling are the standard Sigmoid and rectified linear unit (ReLU), which are normally used with fixed function shapes and no adaptive parameters. Recently, there have been several papers that have studied the use of parameterised activation funct...
A conformity bias is, in cultural evolutionary terms, an individual-level tendency to disproportionately copy the majority. Collectively, at population-level, this individual behaviour results in a characteristic sigmoidal relationship between the frequency of the behaviour in the population and the probability to copy it (“the sigmoid”). In two recent papers (Acerbi et al. 2016, van Leeuwen et...
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. Due to the linearity with respect to the parameters of the system, it is possible to design an effective procedure for parameter adjustment. Stability properties of this procedure are analyzed. S...
The authors report a very rare case of giant duplication of sigmoid colon in a 4-year-old girl successfully diagnosed and treated with a laparoscopy-assisted technique. This case shows that laparoscopy is useful in definitive diagnosis of giant cystic masses with a preoperative undiagnosed origin. Laparoscopy-assisted treatment of these benign masses may be realized, even in difficult cases suc...
Literacy has been defined as one of the primary goals of the sustainable development. Two of the UN’s millennium goals pertain to education. This paper examines the importance of literacy to sustainability, the speed with which literacy spreads in a country, and identifies factors, which can accelerate the literacy transition. This paper suggests that most countries in the world are either in t...
7 www.erpublication.org Abstract— The main objective of this paper is to provide a position sensorless control scheme for permanent magnet synchronous motor (PMSM) drive using a sliding mode observer (SMO). The rotor position and speed are estimated with only measuring stator voltages and currents. Compared with traditional SMO, the sign function is replaced by a sigmoid function in order to ...
It is argued that much of the observed magnetic helicity losses at the solar surface may represent a reduction of an otherwise more dominant nonlinearity of solar and stellar dynamos. This nonlinearity is proportional to the internal twist (as opposed to writhe) of helical and sigmoidal surface structures.
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