Combinatorica`
Combinatorica`
NumberOf2Paths
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
NumberOf2Paths[g,v]
returns a sorted list that contains the number of paths of length 2 to different vertices of 
from 
.
更多信息和选项
- To use NumberOf2Paths, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012)，NumberOf2Paths，Wolfram 语言函数，https://reference.wolfram.com/language/Combinatorica/ref/NumberOf2Paths.html.
文本
Wolfram Research (2012)，NumberOf2Paths，Wolfram 语言函数，https://reference.wolfram.com/language/Combinatorica/ref/NumberOf2Paths.html.
CMS
Wolfram 语言. 2012. "NumberOf2Paths." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/NumberOf2Paths.html.
APA
Wolfram 语言. (2012). NumberOf2Paths. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/Combinatorica/ref/NumberOf2Paths.html 年