Randomized algorithms for the low-rank approximation of matrices

Type: Article

Publication Date: 2007-12-05

Citations: 558

DOI: https://doi.org/10.1073/pnas.0709640104

Abstract

We describe two recently proposed randomized algorithms for the construction of low-rank approximations to matrices, and demonstrate their application (inter alia) to the evaluation of the singular value decompositions of numerically low-rank matrices. Being probabilistic, the schemes described here have a finite probability of failure; in most cases, this probability is rather negligible (10(-17) is a typical value). In many situations, the new procedures are considerably more efficient and reliable than the classical (deterministic) ones; they also parallelize naturally. We present several numerical examples to illustrate the performance of the schemes.

Locations

  • Proceedings of the National Academy of Sciences - View
  • PubMed Central - View
  • ePubWU Institutional Repository (Wirtschaftsuniversität Wien) - View - PDF
  • Europe PMC (PubMed Central) - View - PDF
  • PubMed - View

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