Combinatorica`
Combinatorica`
GroetzschGraph
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
GroetzschGraph
returns the smallest triangle-free graph with chromatic number 4. This is identical to MycielskiGraph[4].
更多信息和选项
- GroetzschGraph functionality is now available in the built-in Wolfram Language function GraphData.
- To use GroetzschGraph, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012)，GroetzschGraph，Wolfram 语言函数，https://reference.wolfram.com/language/Combinatorica/ref/GroetzschGraph.html.
文本
Wolfram Research (2012)，GroetzschGraph，Wolfram 语言函数，https://reference.wolfram.com/language/Combinatorica/ref/GroetzschGraph.html.
CMS
Wolfram 语言. 2012. "GroetzschGraph." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/GroetzschGraph.html.
APA
Wolfram 语言. (2012). GroetzschGraph. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/Combinatorica/ref/GroetzschGraph.html 年