Elsevier Science Home
Computer Physics Communications Program Library
Full text online from Science Direct
Programs in Physics & Physical Chemistry
CPC Home

[Licence| Download | New Version Template] aebp_v1_0.tar.gz(98 Kbytes)
Manuscript Title: L1Packv2: A Mathematica package for minimizing an L1-penalized functional
Authors: Ignace Loris
Program title: L1Packv2.m
Catalogue identifier: AEBP_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 179(2008)895
Programming language: Mathematica.
Computer: Any computer running Mathematica.
Operating system: Any OS running Mathematica.
Keywords: inverse problem, sparsity, 1-norm, minimization, compressed sensing.
PACS: 02.30.Zz, 01.50.hv, 02.60.Pn.
Classification: 4.9.

Nature of problem:
Minimization of L1-penalized least squares functionals

Solution method:
Several algorithms are provided (iterative and non-iterative)

Restrictions:
Real matrices and vectors only

Unusual features:
Also handles exact arithmetic and unpenalized variables

Running time:
Seconds to minutes