Package: expm 1.0-1

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_1.0-1.tar.gz
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expm_1.0-1.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION
card.svg |card.png
expm/json (API)

# Install 'expm' in R:

install.packages('expm', repos = c('https://r-forge.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

12.00 score 465 packages 2.0k scripts 92k downloads 5 mentions 12 exports 2 dependencies

Last updated from:9edb4e5949. Checks:14 OK, 1 WARNING. Indexed: yes.

Target	Result	Time
linux-devel-arm64	OK	111
linux-devel-x86_64	OK	143
source / vignettes	OK	238
linux-release-arm64	OK	117
linux-release-x86_64	OK	134
macos-release-arm64	OK	120
macos-release-x86_64	OK	286
macos-oldrel-arm64	OK	89
macos-oldrel-x86_64	OK	227
windows-devel-arm64	OK	189
windows-devel-x86_64	OK	148
windows-release-arm64	WARNING	274
windows-release-x86_64	OK	102
windows-oldrel-x86_64	OK	102
wasm-release	OK	102

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

Dependencies:lattice Matrix

Using expm in packages

Introduction | Description of the functions | Calling the functions from other packages

Rendered fromexpm.Rnwusingutils::Sweave

Last update: 2026-08-21
Started: 2013-07-04

Citation

Development and contributors

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