... the R × R identity matrix. B. Ill-posedness of the best low - rank approximation ... But in the present framework, they differ, so that the lower rank approximation problem is ill-posed. ... checkable sufficient condition for tensor rank , which is NP-hard over any field [29], [30]. ...
CITATION STYLE
Comon, P., & Lim, L. H. (2011). Sparse representations and low-rank tensor approximation. Hal.Archives-Ouvertes.Fr, 33(0). Retrieved from http://hal.archives-ouvertes.fr/hal-00703494/
Mendeley helps you to discover research relevant for your work.