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Gradient Descent with Sparsification: An Iterative Algorithm for Sparse Recovery with Restricted Isometry Property
Published on 2009-08-265162 Views
In this paper, we present an algorithm for finding an s-sparse vector x that minimizes the square-error ∥y − Φx∥ 2 where Φ satisfies the restricted isometry property (RIP). Our algorithm, called Gra