Dirk started a thread with Minimum l^1-norm solutions are not always sparse which was read by Bob who followed up with A simple example where BP fails and OMP succeeds and then with What is "exact recovery"?. Vlad reminds us about The nasty bug crawling in my Orthogonal Matching Pursuit code, and Terry talks about a course note (245B, Notes) 1: Basic theory of expander graphs and A central limit theorem for the determinant of a Wigner matrix
Credit photo: NASA,Opportunity :: Panoramic Camera :: Sol 2793
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