Package: m2r 1.0.3

David Kahle

m2r: Interface to 'Macaulay2'

Persistent interface to 'Macaulay2' <https://www.macaulay2.com> and front-end tools facilitating its use in the 'R' ecosystem. For details see Kahle et. al. (2020) <doi:10.18637/jss.v093.i09>.

Authors:David Kahle [aut, cph, cre], Christopher O'Neill [aut, cph], Jeff Sommars [aut, cph]

m2r_1.0.3.tar.gz
m2r_1.0.3.zip(r-4.7)m2r_1.0.3.zip(r-4.6)m2r_1.0.3.zip(r-4.5)
m2r_1.0.3.tgz(r-4.6-x86_64)m2r_1.0.3.tgz(r-4.6-arm64)m2r_1.0.3.tgz(r-4.5-x86_64)m2r_1.0.3.tgz(r-4.5-arm64)
m2r_1.0.3.tar.gz(r-4.7-arm64)m2r_1.0.3.tar.gz(r-4.7-x86_64)m2r_1.0.3.tar.gz(r-4.6-arm64)m2r_1.0.3.tar.gz(r-4.6-x86_64)
m2r_1.0.3.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
m2r/json (API)
NEWS

# Install 'm2r' in R:

install.packages('m2r', repos = c('https://coneill-math.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/coneill-math/m2r/issues

Uses libs:

c++– GNU Standard C++ Library v3

On CRAN:

cpp

5.38 score 5 stars 32 scripts 552 downloads 88 exports 63 dependencies

Last updated from:d485d12fe7. Checks:13 OK. Indexed: yes.

Target	Result	Time
linux-devel-arm64	OK	162
linux-devel-x86_64	OK	167
source / vignettes	OK	195
linux-release-arm64	OK	159
linux-release-x86_64	OK	157
macos-release-arm64	OK	198
macos-release-x86_64	OK	361
macos-oldrel-arm64	OK	157
macos-oldrel-x86_64	OK	419
windows-devel	OK	110
windows-release	OK	144
windows-oldrel	OK	139
wasm-release	OK	129

Exports:dimension edit_r_environ enter_m2 factor_n factor_n.factor_poly factor_poly.gb gb_gb_.gb.get_m2_con get_m2_connection get_m2_gmp get_m2_path get_m2_port get_m2_procid has_m2_connection ideal ideal_ideal_.ideal.is.m2 is.m2_array is.m2_grobner_basis is.m2_ideal is.m2_ideal_list is.m2_ideal_list_pointer is.m2_ideal_pointer is.m2_list is.m2_matrix is.m2_matrix_pointer is.m2_module is.m2_option is.m2_pointer is.m2_polynomialring is.m2_polynomialring_pointer is.m2_sequence is.ring LLL LLL.m2 m2_coefrings m2_exists m2_getwd m2_kernel m2_kernel.m2_length m2_ls m2_matrix m2_matrix.m2_meta m2_meta<-m2_name m2_name<-m2_numcols m2_numrows m2_parse m2_rm m2_structure m2_termorders m2_toggle_gmp m2.m2r_cloud_url m2r_version_number mixed_volume primary_decomposition primary_decomposition.quotient quotient.radical radical.reset_m2 ring ring_ring_.ring.saturate saturate.set_m2_path snf snf.solve_system solve_system.start_m2 stop_m2 str_m2 use_ring

Dependencies:askpass cachem cli clipr cpp11 crayon credentials curl desc dplyr farver fastmap fs generics gert ggplot2 gitcreds glue gmp gtable httr2 ini isoband jsonlite labeling lifecycle magrittr memoise mpoly openssl orthopolynom partitions pillar pkgconfig plyr polynom purrr R6 rappdirs rbibutils RColorBrewer Rcpp Rdpack rlang rprojroot rstudioapi S7 scales sets stringi stringr sys tibble tidyr tidyselect usethis utf8 vctrs viridisLite whisker withr yaml zip

A computer algebra system for R: Macaulay2 and the m2r package

Rendered fromm2r.pdf.asisusingR.rsp::asison Jun 05 2026.

Last update: 2019-02-19
Started: 2018-08-22

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Enter a Macaulay2 session	enter_m2
Factor an integer into primes	factor_n factor_n.
Factor a polynomial	factor_poly factor_poly.
Compute a Grobner basis with Macaulay2	gb gb. gb_ gb_.
Create a new ideal in Macaulay2	*.m2_ideal +.m2_ideal ==.m2_ideal dimension ideal ideal. ideal_ ideal_. m2_parse_function.m2_ideal m2_parse_function.m2_monomialideal primary_decomposition primary_decomposition. print.m2_ideal print.m2_ideal_list quotient quotient. radical radical. saturate saturate. ^.m2_ideal
Macaulay2 object tests	is is.m2 is.m2_array is.m2_grobner_basis is.m2_ideal is.m2_ideal_list is.m2_ideal_list_pointer is.m2_ideal_pointer is.m2_list is.m2_matrix is.m2_matrix_pointer is.m2_module is.m2_option is.m2_pointer is.m2_polynomialring is.m2_polynomialring_pointer is.m2_sequence is.ring
LLL algorithm	LLL LLL.
Call and reset a Macaulay2 process	has_m2_connection m2 m2. m2r_cloud_url m2r_version_number m2_call print.m2_pointer reset_m2 start_m2 stop_m2
Create a new matrix in Macaulay2	m2_kernel m2_kernel. m2_length m2_matrix m2_matrix. m2_numcols m2_numrows m2_parse_function.m2_image m2_parse_function.m2_map print.m2_image print.m2_matrix
Convert a M2 object into an R object	get_m2_gmp m2_parse m2_parser m2_parse_class.default m2_parse_class.m2_hashtable m2_parse_class.m2_optiontable m2_parse_class.m2_verticallist m2_parse_function.default m2_parse_function.m2_hashtable m2_parse_function.m2_monoid m2_parse_function.m2_optiontable m2_parse_function.m2_symbol m2_parse_function.m2_tocc m2_parse_function.m2_verticallist m2_parse_object_as_function.default m2_parse_object_as_function.m2_symbol m2_toggle_gmp print.m2_array print.m2_boolean print.m2_complex print.m2_float print.m2_hashtable print.m2_integer print.m2_list print.m2_module print.m2_option print.m2_sequence print.m2_string print.m2_symbol
Set path to Macaulay2 (M2)	get_m2_con get_m2_connection get_m2_path get_m2_port get_m2_procid m2_path set_m2_path
Utility tools for M2	m2_exists m2_getwd m2_ls m2_meta m2_meta<- m2_name m2_name<- m2_rm m2_structure m2_utility
Macaulay2 in R	m2r package-m2r
PHCpack	mixed_volume phc solve_system solve_system.
Create a new ring in Macaulay2	m2_coefrings m2_parse_object_as_function.m2_polynomialring m2_termorders print.m2_polynomialring ring ring. ring_ ring_.
Smith normal form	snf snf.
Give the structure of a Macaulay2 ring	str_m2
Set Macaulay2 ring	use_ring