This package is considered a duplicate. The official version of this package is found at:https://r-forge.r-universe.dev/expm

Package: expm 1.0-0

Martin Maechler

expm: Matrix Exponential, Log, 'etc'

Computation of the matrix exponential, logarithm, sqrt, and related quantities, using traditional and modern methods.

Authors:Martin Maechler [aut, cre], Christophe Dutang [aut], Vincent Goulet [aut], Douglas Bates [ctb], David Firth [ctb], Marina Shapira [ctb], Michael Stadelmann [ctb]

expm_1.0-0.tar.gz
expm_1.0-0.tar.gz(r-4.7-arm64)expm_1.0-0.tar.gz(r-4.7-x86_64)expm_1.0-0.tar.gz(r-4.6-arm64)expm_1.0-0.tar.gz(r-4.6-x86_64)
expm_1.0-0.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
expm/json (API)

# Install 'expm' in R:

install.packages('expm', repos = c('https://cran.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://r-forge.r-project.org/projects/expm

Uses libs:

openblas– Optimized BLAS

Datasets:

matStig - Stig's "infamous" Example Matrix

On CRAN:

openblas

10.36 score 2 stars 451 packages 2.1k scripts 81k downloads 5 mentions 12 exports 2 dependencies

Last updated from:1ccd9bb7f9. Checks:6 OK. Indexed: no.

Target	Result	Time
linux-devel-arm64	OK	125
linux-devel-x86_64	OK	169
source / vignettes	OK	165
linux-release-arm64	OK	143
linux-release-x86_64	OK	127
wasm-release	OK	105

Exports:.methComplex .methSparse %^%balance dgebal expAtv expm expm.Higham08 expmCond expmFrechet logm sqrtm

Dependencies:lattice Matrix

Using expm in packages

Rendered fromexpm.Rnwusingutils::Sweaveon Jun 15 2026.

Last update: 2013-07-04
Started: 2013-07-04

Citation

Readme and manuals

Help Manual

Help page	Topics
Balance a Square Matrix via LAPACK's DGEBAL	balance dgebal
Compute Matrix Exponential exp(A t) * v directly	expAtv expmv
Matrix Exponential	.methComplex .methSparse expm mexp
Matrix Exponential [Higham 2008]	expm.Higham08
Exponential Condition Number of a Matrix	expmCond
Frechet Derivative of the Matrix Exponential	expmFrechet
Matrix Logarithm	logm
Matrix Power	%^% matpow
Stig's "infamous" Example Matrix	matStig
Matrix Square Root	sqrtm