Combinatorica`
Combinatorica`
Contract
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
Contract[g,{x,y}]
gives the graph resulting from contracting the pair of vertices {x,y} of graph g.
Details and Options
- Contract functionality is now available in the built-in Wolfram Language function VertexContract.
- To use Contract, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012), Contract, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/Contract.html.
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Wolfram Research (2012), Contract, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/Contract.html.Text
Wolfram Research (2012), Contract, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/Contract.html.
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Wolfram Research (2012), Contract, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/Contract.html.CMS
Wolfram Language. 2012. "Contract." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/Contract.html.
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Wolfram Language. 2012. "Contract." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/Contract.html.APA
Wolfram Language. (2012). Contract. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/Contract.html
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Wolfram Language. (2012). Contract. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/Contract.htmlBibTeX
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@misc{reference.wolfram_2025_contract, author="Wolfram Research", title="{Contract}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/Contract.html}", note=[Accessed: 08-May-2025
]}BibLaTeX
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@online{reference.wolfram_2025_contract, organization={Wolfram Research}, title={Contract}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/Contract.html}, note=[Accessed: 08-May-2025
]}