Igraph

igraph is a library collection for creating and manipulating graphs and analyzing networks. It is written in C and also exists as Python and R packages.[1] There exists moreover an interface for Mathematica.[2] The software is widely used in academic research in network science and related fields. The publication that introduces the software has 5623 citations as of June 5, 2015 (2015-06-05) according to Google Scholar.

Igraph
Developer(s)Gábor Csárdi and Tamás Nepusz
Initial release2006 (2006)
Stable release
0.8.0 / 29 January 2020 (2020-01-29)
Written inC
Operating systemCross-platform
TypeScience software
LicenseGNU GPL2
Websiteigraph.org

igraph was developed by Gábor Csárdi and Tamás Nepusz.[3] The source code of igraph packages was written in C. igraph is freely available under GNU General Public License Version 2.

Basic properties

The three most important properties of igraph that shaped its development are as follows:[3]

Characteristics

The software is open source, source code can be downloaded from the project's GitHub page. There are several open source software packages that use igraph functions. As an example, R packages tnet,[4] igraphtosonia[5] and cccd[6] depend on igraph R package. Users can use igraph on many operating systems. The C library and R and Python packages need the respective software, otherwise igraph is portable. the C library of igraph is well documented[7] as well as the R package[8] and the python package [9]

Functions

igraph can be used to generate graphs, compute centrality measures and path length based properties as well as graph components and graph motifs. It also can be used for Degree-preserving randomization. Igraph can read and write Pajek and GraphML files, as well as simple edge lists. The library contains several layout tools as well.[3]

gollark: So multiplication and addition on ints (* and 1, + and 0), for example.
gollark: No.
gollark: A monoid is a thing with a binary commutative associative operation and an "empty" element.
gollark: Magic Haskell whatevers.
gollark: Also, you can learn what monoids in the category of endofunctors are.

References
  1. "igraph - igraph". igraph.wikidot.com. Retrieved 2015-06-05.
  2. "IGraphM". IGraph/M is an igraph interface for Mathematica. 2016-07-11. Retrieved 2016-07-11.
  3. "Gábor Csárdi, Tamás Nepusz: The igraph software package for complex network research. InterJournal Complex Systems, 1695, 2006" (PDF). necsi.edu. Retrieved 2015-06-05.
  4. "CRAN - Package tnet". cran.r-project.org. Retrieved 2015-06-05.
  5. "CRAN - Package igraphtosonia". cran.r-project.org. Retrieved 2015-06-05.
  6. "CRAN - Package cccd". cran.r-project.org. Retrieved 2015-06-05.
  7. http://igraph.org/c/doc/igraph-docs.pdf
  8. https://cran.r-project.org/web/packages/igraph/igraph.pdf
  9. http://igraph.org/python/doc/python-igraph.pdf
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