Results 91 to 100 of about 914,477 (196)

Symmetric nonnegative tensors and copositive tensors

Linear Algebra and its Applications, 2013
We first prove two new spectral properties for symmetric nonnegative tensors. We prove a maximum property for the largest H-eigenvalue of a symmetric nonnegative tensor, and establish some bounds for this eigenvalue via row sums of that tensor. We show that if an eigenvalue of a symmetric nonnegative tensor has a positive H-eigenvector, then this ...
openaire   +3 more sources

Advanced Hyperspectral Image Analysis: Superpixelwise Multiscale Adaptive T-HOSVD for 3D Feature Extraction

Sensors
Hyperspectral images (HSIs) possess an inherent three-order structure, prompting increased interest in extracting 3D features. Tensor analysis and low-rank representations, notably truncated higher-order SVD (T-HOSVD), have gained prominence for this ...
Qiansen Dai, Chencong Ma, Qizhong Zhang
doaj   +1 more source

Blind estimation of spreading codes for multi-antenna LC-DS-CDMA signals based on tensor decomposition

Tongxin xuebao, 2018
Aiming at the problem of the poor performance of the imputation method for the spreading codes blind estimation of the multi-antenna long-code direct sequence code division multiple access (CDMA) signals.Firstly,using the segmentation idea,the received ...
Zhijin ZHAO, Hui YIN, Fangfang QIANG, Junna SHANG   +3 more
doaj  

Automated, IMU-based spine angle estimation and IMU location identification for telerehabilitation

Journal of NeuroEngineering and Rehabilitation
Background Telerehabilitation is a promising avenue for improving patient outcomes and expanding accessibility. However, there is currently no spine-related assessment for telerehabilitation that covers multiple exercises.
Huiming Pan, Hong Wang, Dongxuan Li, Kezhe Zhu, Yuxiang Gao, Ruiqing Yin, Peter B. Shull   +6 more
doaj   +1 more source

Asymptotic expansion of the multi-orientable random tensor model

, 2015
Three-dimensional random tensor models are a natural generalization of the celebrated matrix models. The associated tensor graphs, or 3D maps, can be classified with respect to a particular integer or half-integer, the degree of the respective graph.
Fusy, Eric, Tanasa, Adrian
core   +1 more source

MB-tensors and MB0-tensors

, 2014
This paper has been withdrawn by the author due to an error in Theorem ...
Li, Chaoqian, Li, Yaotang
openaire   +2 more sources

Interpretación de la cuantización del tensor antisimétrico

Uniciencia, 1992
Se cuantiza el tensor antisimétrico por el método canónico. Los problemas de cuantización generados por la invariancia gauge (de medida) se superan fijando progresivamente la medida con base en un análisis del espacio de Hilbert.
M. Chaves
doaj  

Four-Dimensional Parameter Estimation for Mixed Far-Field and Near-Field Target Localization Using Bistatic MIMO Arrays and Higher-Order Singular Value Decomposition

Remote Sensing
In this paper, we present a novel four-dimensional (4D) parameter estimation method to localize the mixed far-field (FF) and near-field (NF) targets using bistatic MIMO arrays and higher-order singular value decomposition (HOSVD).
Qi Zhang, Hong Jiang, Huiming Zheng
doaj   +1 more source

Tensor Categories

We present here definitions and constructions basic for the theory of monoidal and tensor categories. We provide references to the original sources, whenever possible.
openaire   +2 more sources

An Eigenvalue‐Based Framework for Constraining Anisotropic Eddy Viscosity

Journal of Advances in Modeling Earth Systems
Eddy viscosity is employed throughout the majority of numerical fluid dynamical models, and has been the subject of a vigorous body of research spanning a variety of disciplines.
Scott D. Bachman
doaj   +1 more source