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quadmatrix

Solving Quadratic Matrix Equations

v0.1.0 · Aug 13, 2018 · GPL-2

Description

Given inputs A,B and C, this package solves the matrix equation A*X^2 - B*X - C = 0.

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CRAN Check Status

2 NOTE
12 OK
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r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
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 details (14 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Siva Rajesh Kasa <sivarajesh.kasa@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(family = "Kasa",
                      role = "aut"),
               person(given = c("Siva", "Rajesh"),
                      family = "Kasa",
                      role = "cre",
                      email = "sivarajesh.kasa@gmail.com"))
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Siva Rajesh Kasa <sivarajesh.kasa@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(family = "Kasa",
                      role = "aut"),
               person(given = c("Siva", "Rajesh"),
                      family = "Kasa",
                      role = "cre",
                      email = "sivarajesh.kasa@gmail.com"))
as necessary.
OK r-devel-linux-x86_64-fedora-clang

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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

*


            

Check History

NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Siva Rajesh Kasa <sivarajesh.kasa@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(family = "Kasa",
                      role = "aut"),
               person(given = c("Siva", "Rajesh"),
                      family = "Kasa",
                      role = "cre",
                      email = "sivarajesh.kasa@gmail.com"))
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Siva Rajesh Kasa <sivarajesh.kasa@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(family = "Kasa",
                      role = "aut"),
               person(given = c("Siva", "Rajesh"),
                      family = "Kasa",
                      role = "cre",
                      email = "sivarajesh.kasa@gmail.com"))
as necessary.

Dependency Network

Dependencies Reverse dependencies matrixcalc geigen quadmatrix

Version History

new 0.1.0 Mar 9, 2026