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  Quintana-OrtI, G. Add to Alert Profile  
 
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  1 - 3 of 3 reviews    
  randUTV: a blocked randomized algorithm for computing a rank-revealing UTV factorization
Martinsson P., Quintana-Ortí G., Heavner N.  ACM Transactions on Mathematical Software 45(1): 1-26, 2019. Type: Article

Matrix singular value decomposition (SVD) has broad applications in both computational linear algebra and data analysis. Robust SVD algorithms and sophisticated software implementations have been available in the literature for decades. However, e...
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Jul 12 2021  
  Algorithm 782: codes for rank-revealing QR factorizations of dense matrices
Bischof C., Quintana-Ortí G.  ACM Transactions on Mathematical Software 24(2): 254-257, 1998. Type: Article

A rank-revealing QR (RRQR) factorization is an efficient way to compute a reasonable representation of the null space of a matrix. This paper and the accompanying algorithm describe and analyze a suite of codes that implement combinations and modi...
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Feb 1 1999  
  Computing rank-revealing QR factorizations of dense matrices
Bischof C., Quintana-Ortí G.  ACM Transactions on Mathematical Software 24(2): 226-253, 1998. Type: Article

A rank-revealing QR (RRQR) factorization is an efficient way to compute a reasonable representation of the null space of a matrix. This paper and the accompanying algorithm describe and analyze a suite of codes that implement combinations and modi...
...
Feb 1 1999  

   
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