Bruckstein, Alfred M.; Elad, Michael; Zibulevsky, Michael On the uniqueness of nonnegative sparse solutions to underdetermined systems of equations. (English) Zbl 1319.15007 IEEE Trans. Inf. Theory 54, No. 11, 4813-4820 (2008). Cited in 25 Documents MSC: 15B48 Positive matrices and their generalizations; cones of matrices 15A06 Linear equations (linear algebraic aspects) 65F30 Other matrix algorithms (MSC2010) Keywords:\(ell_1\); basis pursuit; greedy algorithm; linear system; positive orthant; sparse solution; uniqueness PDF BibTeX XML Cite \textit{A. M. Bruckstein} et al., IEEE Trans. Inf. Theory 54, No. 11, 4813--4820 (2008; Zbl 1319.15007) Full Text: DOI