Block Tensor Unfoldings

  • Authors:
  • Stefan Ragnarsson;Charles F. Van Loan

  • Affiliations:
  • str23@cornell.edu and cv@cs.cornell.edu;-

  • Venue:
  • SIAM Journal on Matrix Analysis and Applications
  • Year:
  • 2012

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Abstract

Within the field of numerical multilinear algebra, block tensors are increasingly important. Accordingly, it is appropriate to develop an infrastructure that supports reasoning about block tensor computation. In this paper we establish concise notation that is suitable for the analysis and development of block tensor algorithms, prove several useful block tensor identities, and make precise the notion of a block tensor unfolding.