Coordinate descent for Compressed Sensing 1.0

Date Added: June 29, 2013 | Visits: 486

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This package has solvers for constrained and unconstrained L1 minimization, which is useful for compressed sensing. u = COORDL1BREG(A,f,lambda) solves the minimization problem min_u ||u||_1 subject to A*u = fwhere A is an MxN matrix and f is a vector of length M. Input lambda is a positive parameter used within the algorithm.u = COORDLSL1(A,f,lambda) solves the minimization problem min_u ||u||_1 + lambda ||A*u - f||_2^2Algorithms are based on greedy coordinate descent and the Bregman iterative method.

Requirements: No special requirements

Platforms: Matlab

Keyword: Algorithms, Algorithmu, And The, Au 3d, Based, Compressed, Constrained, Coordl Bregaflambda, Coordlsl Aflambda, Fwhere, Greedy Coordinate, Lambda, Mxn, Solvers, Unconstrained, Used Within The

Users rating: 0/10

License: Freeware

Size: 10 KB

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