Results 51 to 60 of about 435,592 (297)

Leave-One-Out Approach for Matrix Completion: Primal and Dual Analysis

open access: yesIEEE Transactions on Information Theory, 2020
In this paper, we introduce a powerful technique based on Leave-One-Out analysis to the study of low-rank matrix completion problems. Using this technique, we develop a general approach for obtaining fine-grained, entrywise bounds for iterative ...
Lijun Ding, Yudong Chen
semanticscholar   +1 more source

The elliptic matrix completion problem

open access: yesLinear Algebra and its Applications, 2011
The author gives necessary and sufficient conditions on a nonnegative tensor to be diagonally equivalent to a tensor with prescribed slice sum. The following theorem is proved. Let \(H\) be a Hermitian matrix with partioned form \(H=\left[\begin{matrix} A & B\\ B^* & D\end{matrix}\right]\), where \(A\) has order \(r\).
Saleh, Ossama A., Smith, Ronald L.
openaire   +2 more sources

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

open access: yesFEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill   +4 more
wiley   +1 more source

Data Recovery in Wireless Sensor Networks Based on Low Rank and Short-Term Stability

open access: yesIEEE Access, 2019
The most effective way to reduce the energy consumption of energy-limited wireless sensor networks is to reduce the amount of data collected. However, this will increase the difficulty of data recovery.
Xiaochao Liu   +3 more
doaj   +1 more source

Matrix Completion With Noise [PDF]

open access: yesProceedings of the IEEE, 2009
On the heels of compressed sensing, a new field has very recently emerged. This field addresses a broad range of problems of significant practical interest, namely, the recovery of a data matrix from what appears to be incomplete, and perhaps even ...
E. Candès, Y. Plan
semanticscholar   +1 more source

The Q-matrix completion problem

open access: yesThe Electronic Journal of Linear Algebra, 2009
A real n x n matrix is a Q-matrix if for every k = 1, 2, . . . ,n the sum of all k x k principal minors is positive. A digraph D is said to have Q-completion if every partial Q-matrix specifying D can be completed to a Q-matrix. For the Q-completion problem, sufficient conditions for a digraph to have Q-completion are given, necessary conditions for a ...
DeAlba, Luz   +2 more
openaire   +3 more sources

Patterns of Postictal Abnormalities in Relation to Status Epilepticus in Adults

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Abnormalities on peri‐ictal diffusion‐weighted magnetic resonance imaging (DWI‐PMAs) are well‐established for patients with status epilepticus (SE), but knowledge on patterns of DWI‐PMAs and their prognostic impact is sparse. Methods This systematic review and individual participant data meta‐analysis included observational studies ...
Andrea Enerstad Bolle   +11 more
wiley   +1 more source

An Improved Alternating Direction Method of Multipliers for Matrix Completion

open access: yesFoundations of Computing and Decision Sciences
Matrix completion is widely used in information science fields such as machine learning and image processing. The alternating direction method of multipliers (ADMM), due to its ability to utilize the separable structure of the objective function, has ...
Yan Xihong, Zhang Ning, Li Hao
doaj   +1 more source

A Fast Designed Thresholding Algorithm for Low-Rank Matrix Recovery with Application to Missing English Text Completion

open access: yesMathematics
This article is proposing a fast version of adaptive iterative matrix designed thresholding (AIMDT) algorithm which is studied in our previous work. In AIMDT algorithm, a designed thresholding operator is studied to the problem of recovering the low-rank
Haizhen He, Angang Cui, Hong Yang
doaj   +1 more source

A computational approach to aid clinicians in selecting anti-viral drugs for COVID-19 trials

open access: yesScientific Reports, 2021
The year 2020 witnessed a heavy death toll due to COVID-19, calling for a global emergency. The continuous ongoing research and clinical trials paved the way for vaccines.
Aanchal Mongia   +3 more
doaj   +1 more source

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