نتایج جستجو برای: median based discretization

تعداد نتایج: 3063078  

Journal: :زن در فرهنگ و هنر 0
بهمن فیروزمندی دانشیار گروه باستان شناسی، دانشگاه تهران ایرج رضائی دانشجوی دکتری باستان شناسی، دانشگاه تهران

due to shortage of contemporary written sources and archaeological evidence, our knowledge about different parts of the median society is very incomplete and fragmentary; therefore, a detailed assessment of some related issues such as conditions of women in this period is difficult and sometimes risky. the results of this research, based on the same historical sources and archaeological evidenc...

Journal: :فیزیک زمین و فضا 0
سرمد قادر دانشیار، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران عباسعلی علی اکبری بیدختی استاد، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران سعید فلاحت دانش آموخته کارشناسی ارشد، گروه فیزیک فضا، مؤسسة ژئوفیزیک دانشگاه تهران، ایران

this work reports the results of the application of the second-order maccormack method for numerical solution of‎ the conservative form of two-dimensional non-hydrostatic and fully compressible navier-stokes equations governing an inviscid and adiabatic atmosphere‎. various aspects of the computational approach such as discretization of the governing equations for the interior and boundary poin...

Journal: :Communications for Statistical Applications and Methods 2005

Journal: :Frontiers in Environmental Science 2022

Meteorological data mining aims to discover hidden patterns in a large number of available meteorological data. As one the most relevant big preprocessing technologies, feature discretization can transform continuous features into discrete ones improve efficiency algorithms. Aiming at problems high interaction multiple attributes, noise interference, and difficulty obtaining prior knowledge dat...

Journal: :Journal of Physics A: Mathematical and Theoretical 2013

Journal: :IEICE Transactions 2010
Yizhong Xin Xiangshi Ren

SUMMARY Continuous pen pressure can be used to operate multi-state widgets such as menus in pen based user interfaces. The number of levels into which the pen pressure space is divided determines the number of states in the multi-state widgets. To increase the optimal number of divisions of the pen pressure space and achieve greater pen pressure usabil-ity, we propose a new discretization metho...

2012
Can Wang Mingchun Wang Zhong She Longbing Cao

Discretization technique plays an important role in data mining and machine learning. While numeric data is predominant in the real world, many algorithms in supervised learning are restricted to discrete variables. Thus, a variety of research has been conducted on discretization, which is a process of converting the continuous attribute values into limited intervals. Recent work derived from e...

2007
MARCUS WEBER Marcus Weber

For the treatment of equilibrated molecular systems in a heat bath we propose a transition state theory that is based on conformation dynamics. In general, a set-based discretization of a Markov operator P does not preserve the Markov property. In this article, we propose a discretization method which is based on a Galerkin approach. This discretization method preserves the Markov property of t...

Journal: :computational methods for differential equations 0
javad farzi sahand university of technology

this paper concerns with the modeling and construction of a fifth order method for two dimensional acoustic wave equation in heterogenous media. the method is based on a standard discretization of the problem on smooth regions and a nonstandard method for nonsmooth regions.the construction of the nonstandard method is based on the special treatment of the interface using suitable jump condition...

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