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On a generalized ma...
On a generalized matrix approximation problem in the spectral norm
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- Sou, Kin Cheong (author)
- KTH,Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH,ACCESS Linnaeus Centre,Reglerteknik
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- Rantzer, Anders (author)
- Lund University,Lunds universitet,Institutionen för reglerteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Automatic Control,Departments at LTH,Faculty of Engineering, LTH,Automatic Control, Lund University
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- English.
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In: Linear Algebra and Its Applications. - : Elsevier BV. - 1873-1856 .- 0024-3795. ; 436:7, s. 2331-2341
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Abstract
Subject headings
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- Abstract in UndeterminedIn this paper theoretical results regarding a generalized minimum rank matrix approximation problem in the spectral norm are presented. An alternative solution expression for the generalized matrix approximation problem is obtained. This alternative expression provides a simple characterization of the achievableminimum rank, which is shown to be the same as the optimal objective value of the classical problem considered by Eckart–Young–Schmidt–Mirsky, as long as the generalized problem is feasible. In addition, this paper provides a result on a constrained version of the matrix approximation problem, establishing that the later problem is solvable via singular value decomposition.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
Keyword
- matrix approximation
- rank minimization
- singular value decomposition
Publication and Content Type
- art (subject category)
- ref (subject category)
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