Combinatorica`
Combinatorica`
GraphUnion
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
GraphUnion[g1,g2,…]
constructs the union of graphs 
, 
, and so forth.
GraphUnion[n,g]
constructs 
copies of graph 
, for any non-negative integer 
.
Details and Options
- GraphUnion functionality is now available in the built-in Wolfram Language function GraphDisjointUnion.
- To use GraphUnion, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012), GraphUnion, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html.
✖
Wolfram Research (2012), GraphUnion, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html.Text
Wolfram Research (2012), GraphUnion, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html.
✖
Wolfram Research (2012), GraphUnion, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html.CMS
Wolfram Language. 2012. "GraphUnion." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html.
✖
Wolfram Language. 2012. "GraphUnion." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html.APA
Wolfram Language. (2012). GraphUnion. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html
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Wolfram Language. (2012). GraphUnion. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.htmlBibTeX
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@misc{reference.wolfram_2025_graphunion, author="Wolfram Research", title="{GraphUnion}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html}", note=[Accessed: 12-March-2025
]}BibLaTeX
✖
@online{reference.wolfram_2025_graphunion, organization={Wolfram Research}, title={GraphUnion}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/GraphUnion.html}, note=[Accessed: 12-March-2025
]}