Sciweavers

CC
2010
Springer
109views System Software» more  CC 2010»
13 years 1 months ago
The Complexity of the Inertia
The inertia of an n
Thanh Minh Hoang, Thomas Thierauf
ICASSP
2009
IEEE
13 years 1 months ago
Weighted nonnegative matrix factorization
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
Yong-Deok Kim, Seungjin Choi
ICDM
2010
IEEE
146views Data Mining» more  ICDM 2010»
13 years 1 months ago
One-Class Matrix Completion with Low-Density Factorizations
Consider a typical recommendation problem. A company has historical records of products sold to a large customer base. These records may be compactly represented as a sparse custom...
Vikas Sindhwani, Serhat Selcuk Bucak, Jianying Hu,...
CORR
2010
Springer
115views Education» more  CORR 2010»
13 years 1 months ago
Tight oracle bounds for low-rank matrix recovery from a minimal number of random measurements
This paper presents several novel theoretical results regarding the recovery of a low-rank matrix from just a few measurements consisting of linear combinations of the matrix entr...
Emmanuel J. Candès, Yaniv Plan
SIAMJO
2010
246views more  SIAMJO 2010»
13 years 2 months ago
A Singular Value Thresholding Algorithm for Matrix Completion
This paper introduces a novel algorithm to approximate the matrix with minimum nuclear norm among all matrices obeying a set of convex constraints. This problem may be understood a...
Jian-Feng Cai, Emmanuel J. Candès, Zuowei S...
NA
2010
144views more  NA 2010»
13 years 2 months ago
A binary powering Schur algorithm for computing primary matrix roots
An algorithm for computing primary roots of a nonsingular matrix A is presented. In particular, it computes the principal root of a real matrix having no nonpositive real eigenvalu...
Federico Greco, Bruno Iannazzo
NA
2010
114views more  NA 2010»
13 years 2 months ago
Matrix interpretation of multiple orthogonality
Abstract: In this work we give an interpretation of a (s(d + 1) + 1)-term recurrence relation in terms of type II multiple orthogonal polynomials. We rewrite this recurrence relati...
Amílcar Branquinho, Luis Cotrim, Ana Foulqu...
JCC
2010
105views more  JCC 2010»
13 years 2 months ago
Fast determination of the optimal rotational matrix for macromolecular superpositions
: Finding the rotational matrix that minimizes the sum of squared deviations between two vectors is an important problem in bioinformatics and crystallography. Traditional algorith...
Pu Liu, Dimitris K. Agrafiotis, Douglas L. Theobal...
CORR
2010
Springer
130views Education» more  CORR 2010»
13 years 2 months ago
Spectral methods for the detection of network community structure: a comparative analysis
Spectral analysis has been successfully applied to the detection of community structure of networks, respectively being based on the adjacency matrix, the standard Laplacian matrix...
Hua-Wei Shen, Xue-Qi Cheng
MOR
2007
116views more  MOR 2007»
13 years 3 months ago
Complex Matrix Decomposition and Quadratic Programming
This paper studies the possibilities of the Linear Matrix Inequality (LMI) characterization of the matrix cones formed by nonnegative complex Hermitian quadratic functions over sp...
Yongwei Huang, Shuzhong Zhang