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limSolve

Solving Linear Inverse Models

v2.0.1 · Jun 24, 2025 · GPL

Description

Functions that (1) find the minimum/maximum of a linear or quadratic function: min or max (f(x)), where f(x) = ||Ax-b||^2 or f(x) = sum(a_i*x_i) subject to equality constraints Ex=f and/or inequality constraints Gx>=h, (2) sample an underdetermined- or overdetermined system Ex=f subject to Gx>=h, and if applicable Ax~=b, (3) solve a linear system Ax=B for the unknown x. It includes banded and tridiagonal linear systems.

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CRAN Check Status

14 OK
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Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Reverse Dependencies (13)

suggests

Dependency Network

Dependencies Reverse dependencies quadprog lpSolve MASS MLCIRTwithin MultiLCIRT ragtop treedater CNSigs FindIt cgaim cirls gorica scMappR scmSpillover Rquefts nlsic limSolve

Version History

new 2.0.1 Mar 10, 2026
updated 2.0.1 ← 2.0 diff Jun 23, 2025
updated 2.0 ← 1.5.7.2 diff Jun 10, 2025
updated 1.5.7.2 ← 1.5.7.1 diff May 14, 2025
updated 1.5.7.1 ← 1.5.7 diff Feb 4, 2024
updated 1.5.7 ← 1.5.6 diff Sep 20, 2023
updated 1.5.6 ← 1.5.5.3 diff Nov 13, 2019
updated 1.5.5.3 ← 1.5.5.2 diff Aug 13, 2017
updated 1.5.5.2 ← 1.5.5.1 diff Jan 16, 2017
updated 1.5.5.1 ← 1.5.5 diff Nov 2, 2014
updated 1.5.5 ← 1.5.4 diff Jul 1, 2013
updated 1.5.4 ← 1.5.3 diff Apr 23, 2013
updated 1.5.3 ← 1.5.2 diff Apr 18, 2012
updated 1.5.2 ← 1.5.1 diff Jan 14, 2012
updated 1.5.1 ← 1.5 diff Oct 10, 2009
updated 1.5 ← 1.4 diff Apr 19, 2009
updated 1.4 ← 1.3 diff Apr 14, 2009
updated 1.3 ← 1.2 diff Oct 28, 2008
updated 1.2 ← 1.1 diff Sep 4, 2008
new 1.1 Apr 23, 2008