EmptyGraphQ
EmptyGraphQ[g]
例題
すべて開く すべて閉じる例 (2)
スコープ (6)
EmptyGraphQは無向グラフに使うことができる:
EmptyGraphQ[[image]]EmptyGraphQ[[image]]EmptyGraphQ[[image]]EmptyGraphQ[[image]]EmptyGraphQは辺がないグラフ以外の式にはFalseを返す:
EmptyGraphQ[x]EmptyGraphQ[Graph[garbage]]EmptyGraphQは大きいグラフに使うことができる:
GridGraph[{10, 10, 10, 10}];EmptyGraphQ[%]//Timing特性と関係 (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テキスト
Wolfram Research (2010), EmptyGraphQ, Wolfram言語関数, https://reference.wolfram.com/language/ref/EmptyGraphQ.html.
CMS
Wolfram Language. 2010. "EmptyGraphQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/EmptyGraphQ.html.
APA
Wolfram Language. (2010). EmptyGraphQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/EmptyGraphQ.html
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: 14-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: 14-September-2026]}