Compressive Sampling: Sparse Signal Recovery Utilities


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Documentation for package ‘R1magic’ version 0.3.4

Help Pages

CompareL1_L2_TV1 Compare L1, L2 and TV on a sparse signal.
DFTMatrix0 Generate Discrete Fourier Transform Matrix using DFTMatrixPlain.
DFTMatrixPlain Generate Plain Discrete Fourier Transform Matrix without the coefficient
GaussianMatrix Generate Gaussian Random Matrix
Lnorm L-p norm of a given complex vector
mutualCoherence Cumulative mutual coherence
objective1TV 1-D Total Variation Penalized Objective Function
objectiveL1 Objective function for ridge L1 penalty
objectiveL2 Objective function for Tikhinov L2 penalty
oo Frequency expression for DFT
scaleBack.lm Transform back multiple regression coefficients to unscaled regression coefficients Original question posed by Mark Seeto on the R mailing list.
solve1TV 1-D Total Variation Penalized Nonlinear Minimization
solveL1 l1 Penalized Nonlinear Minimization
solveL2 l2 Penalized Nonlinear Minimization
sparseSignal Sparse digital signal Generator.
TV1 1-D total variation of a vector.