| 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. |