Updating URV Decompositions in Parallel

@article{Stewart1992UpdatingUD,
  title={Updating URV Decompositions in Parallel},
  author={G. W. Stewart},
  journal={Parallel Computing},
  year={1992},
  volume={20},
  pages={151-172}
}
Abstract A URV decomposition of a matrix is a factorization of the matrix into the product of a unitary matrix (U), an upper triangular matrix (R), and another unitary matrix (V). In [8] it was shown how to update a URV decomposition in such a way that it reveals the effective rank of the matrix. It was also argued that the updating procedure could be implemented in parallel on a linear array of processors; however, no specific algorithms were given. This paper gives a detailed implementation… CONTINUE READING
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