Articles with "linear combination" as a keyword



Sedimentation calculations within an Eulerian framework using series of basis functions

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Published in 2021 at "Quarterly Journal of the Royal Meteorological Society"

DOI: 10.1002/qj.4009

Abstract: A gravitational sedimentation parametrization is presented, which sets the dynamic framework for the parametrization philosophy of linear combination of basis functions. The entire drop spectrum is represented as a linear combination of log‐normal distributions as… read more here.

Keywords: framework; linear combination; sedimentation; basis functions ... See more keywords

Communication Reducing Diffusion LMS Robust to Impulsive Noise Using Smart Selection of Communication Nodes

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Published in 2022 at "Circuits, Systems, and Signal Processing"

DOI: 10.1007/s00034-021-01840-4

Abstract: The paper proposes a smart method to remove network nodes that are highly prone to impulse noise and replacing them with a linear combination of existing more reliable nodes. This is done to reduce communication… read more here.

Keywords: impulsive noise; noise; diffusion; linear combination ... See more keywords

Stable compact spacelike hypersurfaces in the de Sitter space as maxima of a linear combination of area and volume

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Published in 2019 at "manuscripta mathematica"

DOI: 10.1007/s00229-018-1047-7

Abstract: We define the notion of strong (r, s, a, b)-stability concerning compact space-like hypersurfaces immersed in the de Sitter space $$\mathbb {S}^{n+1}_1$$S1n+1. We study the variational problem of maximizing a certain Jacobi functional given by a linear combination… read more here.

Keywords: combination area; space; sitter space; linear combination ... See more keywords

Compact linear combination of composition operators on Bergman spaces

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Published in 2020 at "Journal of Functional Analysis"

DOI: 10.1016/j.jfa.2019.108393

Abstract: Abstract Motivated by the question of Shapiro and Sundberg raised in 1990, study on linear combinations of composition operators has been a topic of growing interest. In this paper, we completely characterize the compactness of… read more here.

Keywords: bergman spaces; linear combination; combination composition; composition ... See more keywords

Applying simple linear combination, multiple logistic and factor analysis methods for candidate fecal bacteria as novel biomarkers for early detection of adenomatous polyps and colon cancer.

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Published in 2018 at "Journal of microbiological methods"

DOI: 10.1016/j.mimet.2018.11.007

Abstract: BACKGROUND Colorectal cancer (CRC) is the third leading cause of cancer, and presents a considerable disease burden, worldwide. Recently, the gut microbiota has been proposed as a potential risk factor for CRC, and even adenomatous… read more here.

Keywords: combination; early detection; simple linear; linear combination ... See more keywords

Born–Oppenheimer Molecular Dynamics with a Linear Combination of Atomic Orbitals and Hybrid Functionals for Condensed Matter Simulations Made Possible. Theory and Performance for the Microcanonical and Canonical Ensembles

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Published in 2024 at "Journal of Chemical Theory and Computation"

DOI: 10.1021/acs.jctc.3c01231

Abstract: The implementation of an original Born–Oppenheimer molecular dynamics module is presented, which is able to perform simulations of large and complex condensed phase systems for sufficiently long time scales at the level of density functional… read more here.

Keywords: oppenheimer molecular; born oppenheimer; linear combination; hybrid functionals ... See more keywords

Computing the exact distribution of a linear combination of generalized logistic random variables and its applications

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Published in 2021 at "Journal of Statistical Computation and Simulation"

DOI: 10.1080/00949655.2021.1982942

Abstract: We consider methods for numerical evaluation of the probability density function, cumulative distribution function and quantile function of a linear combination of n independent generalized logistic random variables. Here we derive the exact expressions for… read more here.

Keywords: random variables; function; generalized logistic; linear combination ... See more keywords

A clustering linear combination approach to jointly analyze multiple phenotypes for GWAS

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Published in 2019 at "Bioinformatics"

DOI: 10.1093/bioinformatics/bty810

Abstract: Summary There is an increasing interest in joint analysis of multiple phenotypes for genome‐wide association studies (GWASs) based on the following reasons. First, cohorts usually collect multiple phenotypes and complex diseases are usually measured by… read more here.

Keywords: multiple phenotypes; individual statistics; clustering linear; linear combination ... See more keywords

Fractals and spontaneous symmetry breaking with type- B Goldstone modes: A perspective from entanglement

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Published in 2024 at "Physical Review A"

DOI: 10.1103/physreva.111.022425

Abstract: The one-dimensional spin-$s$ ${\rm SU}(2)$ ferromagnetic Heisenberg model, as a paradigmatic example for spontaneous symmetry breaking (SSB) with type-B Goldstone modes (GMs), is expected to exhibit an abstract fractal underlying the ground state subspace. This… read more here.

Keywords: goldstone modes; symmetry breaking; linear combination; type ... See more keywords

Longitudinal linear combination test for gene set analysis

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Published in 2019 at "BMC Bioinformatics"

DOI: 10.1186/s12859-019-3221-7

Abstract: BackgroundAlthough microarray studies have greatly contributed to recent genetic advances, lack of replication has been a continuing concern in this area. Complex study designs have the potential to address this concern, though they remain undervalued… read more here.

Keywords: combination; analysis; time; method ... See more keywords

NON-CROSSTALK SCHEME BASED ON LINEAR COMBINATION TRANSFORMATION IN HIGH-SPEED INTERCONNECTS

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Published in 2019 at "Progress In Electromagnetics Research Letters"

DOI: 10.2528/pierl19030502

Abstract: Aiming at the problem of crosstalk in high-speed interconnects, a non-crosstalk scheme based on coupled transmission lines-channel transmission matrix (CTL-CTM) is proposed. In this scheme, the transmitted signals are linear combination transformed at the transmitting… read more here.

Keywords: linear combination; speed interconnects; scheme; non crosstalk ... See more keywords