sddpack (version 0.9)

sddpack-package: Semidiscrete Decomposition

Description

The semidiscrete decomposition (SDD) approximates a matrix as a weighted sum of outer products formed by vectors with entries constrained to be in the set {-1, 0, 1}.

Details

ll{ Package: sddpack Type: Package Version: 1.0 Date: 2009-06-12 License: GPL v2 LazyLoad: yes }

References

http://www.cs.umd.edu/~oleary/SDDPACK/#authors

Examples

A = matrix(rnorm(100), nrow=10)
	sdd(A)