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rexpokit  

R Wrappers for EXPOKIT; Other Matrix Functions
View on CRAN: Click here


Download and install rexpokit package within the R console
Install from CRAN:
install.packages("rexpokit")

Install from Github:
library("remotes")
install_github("cran/rexpokit")

Install by package version:
library("remotes")
install_version("rexpokit", "0.26.6.15")



Attach the package and use:
library("rexpokit")
Maintained by
Nicholas J. Matzke
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2013-02-11
Latest Update: 2023-11-22
Description:
Wraps some of the matrix exponentiation utilities from EXPOKIT (), a FORTRAN library that is widely recommended for matrix exponentiation (Sidje RB, 1998. "Expokit: A Software Package for Computing Matrix Exponentials." ACM Trans. Math. Softw. 24(1): 130-156). EXPOKIT includes functions for exponentiating both small, dense matrices, and large, sparse matrices (in sparse matrices, most of the cells have value 0). Rapid matrix exponentiation is useful in phylogenetics when we have a large number of states (as we do when we are inferring the history of transitions between the possible geographic ranges of a species), but is probably useful in other ways as well. NOTE: In case FORTRAN checks temporarily get rexpokit archived on CRAN, see archived binaries at GitHub in: nmatzke/Matzke_R_binaries (binaries install without compilation of source code).
How to cite:
Nicholas J. Matzke (2013). rexpokit: R Wrappers for EXPOKIT; Other Matrix Functions. R package version 0.26.6.15, https://cran.r-project.org/web/packages/rexpokit. Accessed 06 Oct. 2026.
Previous versions and publish date:
(2026-07-09 06:50), 0.23 (2013-02-11 21:02), 0.24.1 (2013-07-15 07:25), 0.24 (2013-02-16 09:19), 0.26.1 (2017-08-16 00:19), 0.26.2 (2018-01-30 21:46), 0.26.3 (2018-05-06 09:55), 0.26.6.2 (2019-06-27 13:10), 0.26.6.4 (2019-07-02 07:40), 0.26.6.5 (2019-10-08 08:20), 0.26.6.6 (2019-11-04 09:40), 0.26.6.7 (2020-07-05 00:20), 0.26.6.9 (2023-06-21 12:30), 0.26.6.12 (2023-10-30 09:10), 0.26.6.14 (2023-11-22 10:20), 0.26.6 (2018-10-02 06:32)
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