Nonnegativity Preservation under Singular Values Perturbation
Joint Authors
Salas, Mario
Soto Montero, Ricardo L.
Montaño, Emedin
Source
Mathematical Problems in Engineering
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-25, 25 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2009-07-26
Country of Publication
Egypt
No. of Pages
25
Main Subjects
Abstract EN
We study how singular values and singular vectors of a matrix A change, under matrix perturbations of the form A+αuivi∗ and A+αupvq∗, p≠q, where α∈ℝ, A is an m×n positive matrix with singular values σ1≥σ2≥⋯≥σr>0,r=min{m,n}, and uj,vk, j=1,…,m;k=1,…,n, are the left and right singular vectors, respectively.
In particular we give conditions under which this kind of perturbations preserve nonnegativity and certain matrix structures.
American Psychological Association (APA)
Montaño, Emedin& Salas, Mario& Soto Montero, Ricardo L.. 2009. Nonnegativity Preservation under Singular Values Perturbation. Mathematical Problems in Engineering،Vol. 2009, no. 2009, pp.1-25.
https://search.emarefa.net/detail/BIM-461612
Modern Language Association (MLA)
Montaño, Emedin…[et al.]. Nonnegativity Preservation under Singular Values Perturbation. Mathematical Problems in Engineering No. 2009 (2009), pp.1-25.
https://search.emarefa.net/detail/BIM-461612
American Medical Association (AMA)
Montaño, Emedin& Salas, Mario& Soto Montero, Ricardo L.. Nonnegativity Preservation under Singular Values Perturbation. Mathematical Problems in Engineering. 2009. Vol. 2009, no. 2009, pp.1-25.
https://search.emarefa.net/detail/BIM-461612
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-461612