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UnweightedQ

As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »

UnweightedQ[g]

yields True if all edge weights are 1 and False otherwise.

Details and Options

Examples

Basic Examples  (2)Summary of the most common use cases

In[1]:=1
✖
https://wolfram.com/xid/0bqy7y6ogo5x6b-rmcvi
In[2]:=2
✖
https://wolfram.com/xid/0bqy7y6ogo5x6b-euxtzb
In[3]:=3
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https://wolfram.com/xid/0bqy7y6ogo5x6b-c7xwog
Out[3]=3
In[4]:=4
✖
https://wolfram.com/xid/0bqy7y6ogo5x6b-fczqlq
Out[4]=4

UnweightedQ has been superseded by WeightedGraphQ:

In[1]:=1
✖
https://wolfram.com/xid/0bqy7y6ogo5x6b-ec1xd2
Out[1]=1
In[2]:=2
✖
https://wolfram.com/xid/0bqy7y6ogo5x6b-q4ahb
Out[2]=2
Wolfram Research (2012), UnweightedQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html.
✖
Wolfram Research (2012), UnweightedQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html.

Text

Wolfram Research (2012), UnweightedQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html.

✖
Wolfram Research (2012), UnweightedQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html.

CMS

Wolfram Language. 2012. "UnweightedQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html.

✖
Wolfram Language. 2012. "UnweightedQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html.

APA

Wolfram Language. (2012). UnweightedQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html

✖
Wolfram Language. (2012). UnweightedQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html

BibTeX

@misc{reference.wolfram_2025_unweightedq, author="Wolfram Research", title="{UnweightedQ}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html}", note=[Accessed: 11-July-2025 ]}

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@misc{reference.wolfram_2025_unweightedq, author="Wolfram Research", title="{UnweightedQ}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html}", note=[Accessed: 11-July-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_unweightedq, organization={Wolfram Research}, title={UnweightedQ}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html}, note=[Accessed: 11-July-2025 ]}

✖
@online{reference.wolfram_2025_unweightedq, organization={Wolfram Research}, title={UnweightedQ}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/UnweightedQ.html}, note=[Accessed: 11-July-2025 ]}