Convergence rates for greedy algorithms in reduced basis methods

P Binev, A Cohen, W Dahmen, R DeVore… - SIAM journal on …, 2011 - SIAM
The reduced basis method was introduced for the accurate online evaluation of solutions to
a parameter dependent family of elliptic PDEs. Abstractly, it can be viewed as determining a …

Constructive quantization: Approximation by empirical measures

S Dereich, M Scheutzow, R Schottstedt - Annales de l'IHP Probabilités …, 2013 - numdam.org
In this article, we study the approximation of a probability measure μ on Rd by its empirical
measure ˆμN interpreted as a random quantization. As error criterion we consider an …

A projection method to solve linear systems in tensor format

J Ballani, L Grasedyck - Numerical linear algebra with …, 2013 - Wiley Online Library
In this paper, we propose a method for the numerical solution of linear systems of equations
in low rank tensor format. Such systems may arise from the discretisation of PDEs in high …

Adaptivity and variational stabilization for convection-diffusion equations∗

A Cohen, W Dahmen, G Welper - ESAIM: Mathematical Modelling …, 2012 - cambridge.org
In this paper we propose and analyze stable variational formulations for convection diffusion
problems starting from concepts introduced by Sangalli. We derive efficient and reliable a …

Black box approximation of tensors in hierarchical Tucker format

J Ballani, L Grasedyck, M Kluge - Linear algebra and its applications, 2013 - Elsevier
We derive and analyse a scheme for the approximation of order d tensors [Formula: see text]
in the hierarchical (H-) Tucker format, a dimension-multilevel variant of the Tucker format …

Research on logistics of intelligent unmanned aerial vehicle integration system

HW Lee, CS Lee - Journal of Industrial Information Integration, 2023 - Elsevier
Abstract As Unmanned Aerial Vehicle (UAV) is more and more frequently used in farming
and logistics, civil and military alike, researches involving UAVs also starts to boom. In the …

[PDF][PDF] 基于Haar 特性的LBP 纹理特征

周书仁, 殷建平 - 软件学报, 2013 - jos.org.cn
图像纹理特征能够反映图像的灰度分布程度, 对比度, 空间分布和图像的内在变化特性,
在确保较低计算复杂度的前提下, 有效提取深层次的图像纹理信息是其研究的难点问题 …

An introduction to hierarchical (H-) rank and TT-rank of tensors with examples

L Grasedyck, W Hackbusch - Computational methods in applied …, 2011 - degruyter.com
We review two similar concepts of hierarchical rank of tensors (which extend the matrix rank
to higher order tensors): the TT-rank and the H-rank (hierarchical or H-Tucker rank). Based …

[图书][B] Polynomial approximation in hierarchical Tucker format by vector-tensorization

L Grasedyck - 2010 - igpm.rwth-aachen.de
We analyze and characterize the possibility to represent or approximate tensors that stem
from a tensorization of vectors, matrices, or tensors by low (hierarchical) rank. Our main …

Research on multi-functional logistics intelligent Unmanned Aerial Vehicle

HW Lee - Engineering Applications of Artificial Intelligence, 2022 - Elsevier
Abstract As Unmanned Aerial Vehicle (UAV) is more and more frequently used in farming
and logistics, civil and military alike, researches involving UAVs also starts to boom. In the …