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Theorems on Positive Data: On the Uniqueness of NMF

We investigate the conditions for which nonnegative matrix factorization (NMF) is unique and introduce several theorems which can determine whether the decomposition is in fact unique or not. The theorems are illustrated by several examples showing the use of the theorems and their limitations. We h...

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Detalles Bibliográficos
Autores principales:	Laurberg, Hans, Christensen, Mads Græsbøll, Plumbley, Mark D., Hansen, Lars Kai, Jensen, Søren Holdt
Formato:	Texto
Lenguaje:	English
Publicado:	Hindawi Publishing Corporation 2008
Materias:	Research Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2386872/ https://www.ncbi.nlm.nih.gov/pubmed/18497868 http://dx.doi.org/10.1155/2008/764206

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