# &igraph; Reference Manual

&version;
Gábor
Csárdi
Department of Statistics, Harvard University

    1 Oxford street, Cambridge, MA, 02138 USA

Tamás
Nepusz
Department of Biological Physics, Eötvös Loránd University

    1/a Pázmány Péter sétány, 1117 Budapest, Hungary

Vincent
Traag
Centre for Science and Technology Studies, Leiden University

    Room B5.31, Kolffpad 1, 2333 BN Leiden, Netherlands

Szabolcs
Horvát
Department of Computer Science, Reykjavik University

    Menntavegur 1, 102 Reykjavík, Iceland

Fabio
Zanini
Lowy Cancer Research Centre, University of New South Wales

    Room 211, Botany and High St, Kensington, NSW, 2033, Australia

Daniel
Noom
jitjit software development

    Amsterdam, Netherlands

This manual is for &igraph;, version &version;.

Copyright (C) 2005-2019 Gábor Csárdi and Tamás Nepusz. Copyright (C) 2020-2025 igraph development team. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

## Data structure library: vector, matrix, other data types

## Advanced igraph programming