نتایج جستجو برای: expectation method
تعداد نتایج: 1662816 فیلتر نتایج به سال:
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...
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...
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...
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...
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...
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...
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...
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...
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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