SymmetricQ
Combinatorica`
Combinatorica`
SymmetricQ
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
SymmetricQ[r]
tests if a given square matrix r represents a symmetric relation.
SymmetricQ[g]
tests if the edges of a given graph represent a symmetric relation.
更多信息和选项
- SymmetricQ functionality is now available in the built-in Wolfram Language function SymmetricMatrixQ.
- To use SymmetricQ, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012)，SymmetricQ，Wolfram 语言函数，https://reference.wolfram.com/language/Combinatorica/ref/SymmetricQ.html.
文本
Wolfram Research (2012)，SymmetricQ，Wolfram 语言函数，https://reference.wolfram.com/language/Combinatorica/ref/SymmetricQ.html.
CMS
Wolfram 语言. 2012. "SymmetricQ." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/SymmetricQ.html.
APA
Wolfram 语言. (2012). SymmetricQ. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/Combinatorica/ref/SymmetricQ.html 年