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R1magic

An R package: Compressive Sampling: Sparse signal recovery utilities

Stable release on CRAN(http://cran.r-project.org/web/packages/R1magic/index.html)

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Version

Install

install.packages('R1magic')

Monthly Downloads

268

Version

0.3.4

License

GPL (>= 3)

Maintainer

Mehmet Suzen

Last Published

August 27th, 2023

Functions in R1magic (0.3.4)

Generate Discrete Fourier Transform Matrix using DFTMatrixPlain.

Objective function for Tikhinov L2 penalty

L-p norm of a given complex vector

1-D Total Variation Penalized Objective Function

CompareL1_L2_TV1

Compare L1, L2 and TV on a sparse signal.

1-D total variation of a vector.

Generate Plain Discrete Fourier Transform Matrix without the coefficient

Objective function for ridge L1 penalty

mutualCoherence

Cumulative mutual coherence

Generate Gaussian Random Matrix

Transform back multiple regression coefficients to unscaled regression coefficients Original question posed by Mark Seeto on the R mailing list.

l2 Penalized Nonlinear Minimization

1-D Total Variation Penalized Nonlinear Minimization

l1 Penalized Nonlinear Minimization

Frequency expression for DFT

Sparse digital signal Generator.