نتایج جستجو برای: expectation method

تعداد نتایج: 1662816  

Journal: :European Physical Journal C 2021

Abstract We consider the application of a Fleischer–Jegerlehner-like treatment tadpoles to calculation neutral scalar masses (including Higgs) in general theories beyond Standard Model. This is especially useful when theory contains new scalars associated with small expectation value, but comes its own disadvantages. show that these can be overcome by combining effective field matching. provide...

Journal: :Entropy 2017
Tatsuaki Wada Hiroshi Matsuzoe

Based on the maximum entropy (MaxEnt) principle for a generalized entropy functional and the conjugate representations introduced by Zhang, we have reformulated the method of information geometry. For a set of conjugate representations, the associated escort expectation is naturally introduced and characterized by the generalized score function which has zero-escort expectation. Furthermore, we...

2013
Lei Zhang Qi Yue Ming-Lang Tseng

Service quality evaluation is an important problem in service operations management. Service quality depends on service satisfaction which is determined by the service expectation and service perception describing by fuzzy information typically. According to the fuzzy information of service expectation and service perception given by customers, this paper proposes a method for service quality e...

Journal: :CoRR 2017
Christian P. Fries

In this note we derive the backward (automatic) differentiation (adjoint [automatic] differentiation) for an algorithm containing a conditional expectation operator. As an example we consider the backward algorithm as it is used in Bermudan product valuation, but the method is applicable in full generality. The method relies on three simple properties: 1. a forward or backward (automatic) diffe...

2007
Adrian Wills Thomas B. Schön Brett Ninness

In this paper we consider parameter estimation of general stochastic nonlinear statespace models using the Maximum Likelihood method. This is accomplished via the employment of an Expectation Maximisation algorithm, where the essential components involve a particle smoother for the expectation step, and a gradient-based search for the maximisation step. The utility of this method is illustrated...

Journal: :international journal of industrial mathematics 2014
m. khodabin k. maleknejad t. damercheli

in this paper, we present an efficient method for determining the solution of the stochastic second kind volterra integral equations (svie) by using the taylor expansion method. this method transforms the svie to a linear stochastic ordinary differential equation which needs specified boundary conditions. for determining boundary conditions, we use the integration technique. this technique give...

Journal: :journal of health management and informatics 0
mohtaram nematolahi mojtaba kafashi roxana sharifian hossein monem

i n troduction: users’ behavioral intention to use the picture archiving and communication system (pacs) is important in the systems’ success and is an indicator of the users’ satisfaction with commitment and dependence on information systems. the present study aimed to evaluate the users’ continuous intention to use pacs based on the expectation confirmation model in educational hospitals of s...

Journal: :Management Science 2004
Lars Stentoft

In a recent paper Longstaff & Schwartz (2001) suggest a method to American option valuation based on simulation. The method is termed the Least Squares Monte-Carlo (LSM) method, and although it has become widely used not much is known about the properties of the estimator. This paper corrects this shortcoming using theory from the literature on seminonparametric series estimators. A central par...

2009
Dongmei Liu Zhiqing Shao Caizhu Yu

QoS is of paramount importance for Web services to function. However, it is a challenging problem to construct services that meet user’s QoS expectation. This paper proposes an optimization method for service selection in constructing applications through service composition. In order to make quality rating accurate, ingredients of service reputation and expectation similarity are included in q...

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