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On the Jacobians of the Factors of the Truncated Singular Value Decomposition

Authors: Jean Tshimanga-Ilunga; Graciel Ikuwe-Ndjeka;

On the Jacobians of the Factors of the Truncated Singular Value Decomposition

Abstract

HighlightsOn the Jacobians of the Factors of the Truncated Singular Value DecompositionThe aim of this paper is to derive analytical expressions for the Jacobians for the factors of the Truncated Singular Value Decomposition (TSVD) of a matrix. The starting point of this study is an earlier work by \cite{GratTshi16} on the second-order expansion of the truncated singular subspace decomposition. We consider the first-order Fréchet derivatives expressions found in that work to establish the Jacobians. We then specialize the found results to singular vectors and singular values. We show that our results are consistent with earlier works on particular cases. A numerical example is performed to confirm the validity of our theory.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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