EmptyGraphQ
EmptyGraphQ[g]
范例
打开所有单元 关闭所有单元基本范例 (2)
范围 (6)
EmptyGraphQ 作用于无向图:
EmptyGraphQ[[image]]EmptyGraphQ[[image]]EmptyGraphQ[[image]]EmptyGraphQ[[image]]EmptyGraphQ 对于不是无边的图的表达式给出 False:
EmptyGraphQ[x]EmptyGraphQ[Graph[garbage]]EmptyGraphQ 作用于大规模图:
GridGraph[{10, 10, 10, 10}];EmptyGraphQ[%]//Timing属性和关系 (8)
{EmptyGraphQ[[image]], EdgeCount[[image]]}{EmptyGraphQ[[image]], VertexDegree[[image]]}Through[{EmptyGraphQ, VertexCount, EdgeCount, VertexDegree}[Graph[{}]]]{UndirectedGraphQ[[image]], DirectedGraphQ[[image]]}EmptyGraphQ[GraphComplement[[image]]]EmptyGraphQ[GraphIntersection[[image], [image]]]g = [image];EmptyGraphQ[GraphIntersection[g, GraphComplement[g]]]AdjacencyMatrix[[image]]//MatrixForm文本
Wolfram Research (2010),EmptyGraphQ,Wolfram 语言函数,https://reference.wolfram.com/language/ref/EmptyGraphQ.html.
CMS
Wolfram 语言. 2010. "EmptyGraphQ." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/EmptyGraphQ.html.
APA
Wolfram 语言. (2010). EmptyGraphQ. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/EmptyGraphQ.html 年
BibTeX
@misc{reference.wolfram_2026_emptygraphq, author="Wolfram Research", title="{EmptyGraphQ}", year="2010", howpublished="\url{https://reference.wolfram.com/language/ref/EmptyGraphQ.html}", note=[Accessed: 09-September-2026]}
BibLaTeX
@online{reference.wolfram_2026_emptygraphq, organization={Wolfram Research}, title={EmptyGraphQ}, year={2010}, url={https://reference.wolfram.com/language/ref/EmptyGraphQ.html}, note=[Accessed: 09-September-2026]}