lsei: Solving Least Squares Problems under Equality/Inequality Constraints

It contains functions that solve least squares linear regression problems under linear equality/inequality constraints. It is developed based on the 'Fortran' program of Lawson and Hanson (1974, 1995), which is public domain and available at

Version: 1.1-1
Published: 2015-10-07
Author: Yong Wang [aut, cre], Charles L. Lawson [aut], Richard J. Hanson [aut]
Maintainer: Yong Wang <yongwang at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
CRAN checks: lsei results


Reference manual: lsei.pdf
Package source: lsei_1.1-1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X El Capitan binaries: r-release: lsei_1.1-1.tgz
OS X Mavericks binaries: r-oldrel: lsei_1.1-1.tgz
Old sources: lsei archive

Reverse dependencies:

Reverse depends: cnmlcd, npsurv, nspmix


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