نتایج جستجو برای: gumbel

تعداد نتایج: 784  

Journal: :Neural Parallel & Scientific Comp. 2008
Gokarna R. Aryal Chris P. Tsokos

The analysis of the passenger spill data is an integral part for the determination of optimal aircraft capacities in the airline fleet assignment process. Most research in this study has assumed that the nominal demand is normally distributed. But empirical evidences show that normal probability distribution is not suitable in many cases because of asymmetry nature of the data. In the present s...

2007
Brian Booth Xiaobo Li

Due to high noise, low contrast, and other imaging artifacts, region boundaries in ultrasound images often do not conform to the assumptions of many image processing algorithms. Specifically, the beliefs that region boundaries have a high gradient magnitude or a high intensity can break down in this context. In this paper, we present an alternative way of detecting likely boundary points in ult...

Journal: :Jurnal Sains dan Seni ITS (e-journal) 2023

Investasi saham adalah kegiatan menanamkan sejumlah dana pada suatu perusahaan dengan tujuan mendapatkan keuntungan di masa depan. Seorang investor umumnya melihat return untuk berinvestasi, tetapi harga mengalami perubahan yang tidak terduga sehingga ada risiko mengikuti. Analisis perlu dilakukan menghindari kerugian akan datang. Penelitian ini mengetahui dan mengestimasi menggunakan Condition...

Journal: :Current trends in civil & structural engineering 2022

Safety Engineering mitigates normal events. Its contemporary equivalence, for extreme disasters, demands the deployment of Statistics Extremes, Gumbel [1]. Civil research has addressed natural and industrial disasters by employing statistical distributions Weibull types, respectively.

Journal: :Journal of Structural Geology 2022

The concept of fractal spatial distributions mineralisation has been widely proposed since Mandelbrot (1965) who emphasised the stable Pareto-Lévy distribution as relevant distribution. a is used basis for estimating endowment and erecting exploration models based on self-organised criticality. This paper explores proposition that growth kinetics mineralising system are reflected in probability...

Journal: :journal of the iranian statistical society 0
m. razmkhah department of statistics, ferdowsi university of mashhad, p. o. box 1159, mashhad 91775, iran. z. saberzade

the complex system containing n elements, each having three dependent components are described. the reliability and mean residual life of such systems with intact components at time t are investigated using a trivariate binomial model. considering a farlie-gumbel-morgenstern family, some graphical representations are given.

Journal: : 2022

We propose a more flexible symmetric counterpart of the Huang–Kotz’s copula 1st type. Both and type provide same improvement in correlation level. Moreover, proposed includes special cases many other extensions Farlie–Gumbel–Morgenstern (FGM) copula.

Journal: :Mathematics and Computers in Simulation 2009
YiHao Lai Cathy W. S. Chen Richard Gerlach

The contribution of this paper is twofold. First, we exploit copula methodology, with two threshold GARCH models as marginals, to construct a bivariate copula-threshold-GARCH model, simultaneously capturing asymmetric nonlinear behaviour in univariate stock returns of spot and futures markets and bivariate dependency, in a flexible manner. Two elliptical copulas (Gaussian and Student’s-t) and t...

Journal: :Random Struct. Algorithms 2011
Andrew D. Barbour Gesine Reinert

Using an associated branching process as the basis of our approximation, we show that typical inter-point distances in a multi-type random intersection graph have a defective distribution, which is well described by a mixture of translated and scaled Gumbel distributions, the missing mass corresponding to the event that the vertices are not in the same component of the graph. © 2010 Wiley Perio...

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