R1magic: Compressive Sampling: Sparse Signal Recovery Utilities

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Utilities for sparse signal recovery suitable for compressed sensing. L1, L2 and TV penalties, DFT basis matrix, simple sparse signal generator, mutual cumulative coherence between two matrices and examples, Lp complex norm, scaling back regression coefficients.

Author
Mehmet Suzen [aut, cre]
Date of publication
2015-04-19 22:18:58
Maintainer
Mehmet Suzen <mehmet.suzen@physics.org>
License
GPL (>= 3)
Version
0.3.2

View on CRAN

Man pages

CompareL1_L2_TV1
Compare L1, L2 and TV on a sparse signal.
DFTMatrix0
Generate Discrete Fourier Transform Matrix using...
DFTMatrixPlain
Generate Plain Discrete Fourier Transform Matrix without the...
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
R1magic-package
Compressive Sampling: Sparse signal recovery utilities
scaleBack.lm
Transform back multiple regression coefficients to unscaled...
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.

Files in this package

R1magic
R1magic/inst
R1magic/inst/examples
R1magic/inst/examples/mutualCoherenceExample.R
R1magic/NAMESPACE
R1magic/NEWS
R1magic/R
R1magic/R/DFTMatrixPlain.R
R1magic/R/GaussianMatrix.R
R1magic/R/objectiveL1.R
R1magic/R/CompareL1_L2_TV1.R
R1magic/R/objective1TV.R
R1magic/R/mutualCoherence.R
R1magic/R/solve1TV.R
R1magic/R/solveL1.R
R1magic/R/solveL2.R
R1magic/R/oo.R
R1magic/R/scaleBack.lm.R
R1magic/R/objectiveL2.R
R1magic/R/sparseSignal.R
R1magic/R/DFTMatrix0.R
R1magic/R/TV1.R
R1magic/R/Lnorm.R
R1magic/README.md
R1magic/MD5
R1magic/DESCRIPTION
R1magic/man
R1magic/man/objective1TV.Rd
R1magic/man/solve1TV.Rd
R1magic/man/R1magic-package.Rd
R1magic/man/solveL2.Rd
R1magic/man/objectiveL2.Rd
R1magic/man/GaussianMatrix.Rd
R1magic/man/Lnorm.Rd
R1magic/man/TV1.Rd
R1magic/man/sparseSignal.Rd
R1magic/man/objectiveL1.Rd
R1magic/man/DFTMatrixPlain.Rd
R1magic/man/mutualCoherence.Rd
R1magic/man/oo.Rd
R1magic/man/solveL1.Rd
R1magic/man/scaleBack.lm.Rd
R1magic/man/CompareL1_L2_TV1.Rd
R1magic/man/DFTMatrix0.Rd