نتایج جستجو برای: time varying coefficient

تعداد نتایج: 2117486  

Journal: :فیزیک زمین و فضا 0
هانیه جهدی حمیدرضا سیاهکوهی

0

Journal: Pollution 2019

In the present study, analytical solutions are developed for three-dimensional advection-dispersion equation (ADE) in semi-infinite adsorbing saturated homogeneous porous medium with time dependent dispersion coefficient. It means porosity of the medium is filled with single fluid(water). Dispersion coefficient is considered proportional to seepage velocity while adsorption coefficient inversel...

In the present study, analytical solutions are developed for three-dimensional advection-dispersion equation (ADE) in semi-infinite adsorbing saturated homogeneous porous medium with time dependent dispersion coefficient. It means porosity of the medium is filled with single fluid(water). Dispersion coefficient is considered proportional to seepage velocity while adsorption coefficient inversel...

Journal: :CoRR 2015
Matthias Bussas Christoph Sawade Tobias Scheffer Niels Landwehr

We study learning problems in which the conditional distribution of the output given the input varies as a function of additional task variables. In varying-coefficient models with Gaussian process priors, a Gaussian process generates the functional relationship between the task variables and the parameters of this conditional. Varying-coefficient models subsume multitask models—such as hierarc...

2016
Cheng Ye Richard C. Wilson Edwin R. Hancock

In this paper, we present a new method for modeling timeevolving correlation networks, using a Mean Reversion Autoregressive Model, and apply this to stock market data. The work is motivated by the assumption that the price and return of a stock eventually regresses back towards their mean or average. This allows us to model the stock correlation time-series as an autoregressive process with a ...

Journal: :Electronic Journal of Statistics 2019

Journal: :Journal of Data Analysis and Information Processing 2015

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