UndirectedQ[g]
yields True if graph is undirected.


UndirectedQ
UndirectedQ[g]
yields True if graph is undirected.
Details and Options
- UndirectedQ functionality is now available in the built-in Wolfram Language function UndirectedGraphQ.
- To use UndirectedQ, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Examples
Basic Examples (2)
UndirectedQ has been superseded by UndirectedGraphQ:
See Also
Tech Notes
Related Guides
-
▪
- Graph Properties ▪
- Graphs & Networks ▪
- Graph Visualization ▪
- Computation on Graphs ▪
- Graph Construction & Representation ▪
- Graphs and Matrices ▪
- Graph Properties & Measurements ▪
- Graph Operations and Modifications ▪
- Statistical Analysis ▪
- Social Network Analysis ▪
- Graph Properties ▪
- Mathematical Data Formats ▪
- Discrete Mathematics
Text
Wolfram Research (2012), UndirectedQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UndirectedQ.html.
CMS
Wolfram Language. 2012. "UndirectedQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/UndirectedQ.html.
APA
Wolfram Language. (2012). UndirectedQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/UndirectedQ.html
BibTeX
@misc{reference.wolfram_2025_undirectedq, author="Wolfram Research", title="{UndirectedQ}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/UndirectedQ.html}", note=[Accessed: 09-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_undirectedq, organization={Wolfram Research}, title={UndirectedQ}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/UndirectedQ.html}, note=[Accessed: 09-August-2025]}