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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 130
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Angshul Majumdar (10 other programs)
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scripts default iconMatrix Completion via Thresholding (Scripts) Publisher's description

Contains three matrix completion algorithms and a demo script for running them

Contains three matrix completion algorithms and a demo script for running them. Also compares against other matrix completion algorithms - Singular Value Thresholding and Fixed Point Iteration.
Solves the following three optimization problems:
min rank(X) subject to ||y - M(X)||_2<err via Iterated Hard Thresholding
min nuclear-norm(X) subject to ||y - M(X)||_2<err via Iterated Soft Thresholding
min ||S||_p subject to ||y - M(X)||_2<err, where S = svd(X) via Iterated Soft Thresholding
Requires Sparco since the masking operator has been defined in according to the Sparco framework.
The algorithms are general enough to work with any other linear operator, and not only the masking operator. The masking operator is just a special case when the problem boils down to one of matrix completion.
For comparing the results with other algorithms download the Singular Value Thresholding toolbox

System Requirements:

MATLAB 7.8 (R2009a)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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