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. |