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- W2903938712 abstract "In this article we present a method to speed up the singular value decomposition (SVD) of a general k-tridiagonal matrix using its block diagonalization. We show a O(n3/k3) parallel algorithm over k threads with no synchronization required. We thoroughly analyze its complexity and show that our method can boost the performance of any general SVD algorithm when applied to k-tridiagonal matrices. We present numerical experiments confirming our results." @default.
- W2903938712 created "2018-12-22" @default.
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- W2903938712 date "2019-02-01" @default.
- W2903938712 modified "2023-09-23" @default.
- W2903938712 title "A fast singular value decomposition algorithm of general k-tridiagonal matrices" @default.
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- W2903938712 doi "https://doi.org/10.1016/j.jocs.2018.12.009" @default.
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