Results 21 to 30 of about 4,345,907 (196)

Averaging of density kernel estimators

open access: yesStatistics & Probability Letters, 2020
Averaging provides an alternative to bandwidth selection for density kernel estimation. We propose a procedure to combine linearly several kernel estimators of a density obtained from different, possibly data-driven, bandwidths. The method relies on minimizing an easily tractable approximation of the integrated square error of the combination.
Chernova, O.   +2 more
openaire   +4 more sources

Bures–Hall ensemble: spectral densities and average entropies [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2019
We consider an ensemble of random density matrices distributed according to the Bures measure. The corresponding joint probability density of eigenvalues is described by the fixed trace Bures-Hall ensemble of random matrices which, in turn, is related to its unrestricted trace counterpart via a Laplace transform.
Ayana Sarkar, Santosh Kumar
openaire   +2 more sources

Investigation on carbon sequestration capacity of typical subtropical evergreen broad-leaved forest in Wuyi Mountain National Nature Reserve [PDF]

open access: yesE3S Web of Conferences, 2021
Three typical substropical evergreen broad-leaved forests (Castanopsis eyrei, Schima superba and Cyclobalanopsis glauca) in Wuyi Mountain National Nature Reserve of Jiangxi Province were selected to investigate its carbon sequestration capacity.
Zhang Qiugen   +3 more
doaj   +1 more source

Self-Averaging Stochastic Kohn-Sham Density-Functional Theory [PDF]

open access: yesPhysical Review Letters, 2013
4 pages, 4 ...
Baer, Roi   +2 more
openaire   +3 more sources

Average-Based Fuzzy Time Series Markov Chain Based on Frequency Density Partitioning

open access: yesJournal of Applied Mathematics, 2023
Fuzzy time series (FTS) is one of the forecasting methods that has been developed until now. The fuzzy time series is a forecasting method that uses the concept of fuzzy logic, which Song and Chissom first introduced.
Susilo Hariyanto   +3 more
doaj   +1 more source

The average magnetic field draping and consistent plasma properties of the Venus magnetotail [PDF]

open access: yes, 1986
A new technique has been developed to determine the average structure of the Venus magnetotail (in the range from −8 Rv to −12 Rv) from the Pioneer Venus magnetometer observations.
McComas, David J.   +3 more
core   +2 more sources

Average CsI Neutron Density Distribution from COHERENT Data [PDF]

open access: yesPhysical Review Letters, 2018
Using the coherent elastic neutrino-nucleus scattering data of the COHERENT experiment, we determine for the first time the average neutron rms radius of $^{133}\text{Cs}$ and $^{127}\text{I}$. We obtain the practically model-independent value $ R_{n} = 5.5 {}^{+0.9}_{-1.1} \, \text{fm} $ using the symmetrized Fermi and Helm form factors. We also point
Cadeddu, M.   +3 more
openaire   +4 more sources

Average density and porosity of high-strength lightweight concrete

open access: yesИнженерно-строительный журнал, 2014
The analysis results of high-strength lightweight concrete (HSLWC) structure are presented in this paper. The X-ray tomography, optical microscopy and other methods are used for researching of average density and porosity.
A.S. Inozemtcev
doaj   +1 more source

Renal Replacement Therapy Tactics in Russian Regions with an Average Population Density

open access: yesВестник урологии, 2020
The lecture details the current understanding of renal replacement therapy and current advances in this field. The current diagnostic and treatment algorithms have been clarified, allowing timely assistance to the population with chronic kidney disease ...
D. V. Perlin
doaj   +1 more source

Adaptive smoothing length method based on weighted average of neighboring particle density for SPH fluid simulation

open access: yesVirtual Reality & Intelligent Hardware, 2021
Background: In the smoothed particle hydrodynamics (SPH) fluid simulation method, thesmoothing length affects not only the process of neighbor search but also the calculation accuracy of the pressure solver. Therefore, it plays a crucial role in ensuring
Rongda Zeng   +4 more
doaj   +1 more source

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