EmptyGraphQ

可用

Tests whether a graph has no edges

形式

EmptyGraphQ[g]

验证过的示例Through[{EmptyGraphQ, VertexCount, EdgeCount, VertexDegree}[Graph[{}]]] → {False, 0, EdgeCount[Graph[{}]], VertexDegree[Graph[{}]]}

在 Qurak 上运行搜索参考

主题

Graph Predicates - Local Structural Properties
Graph Properties And Measurements - Basic Properties
New In80 Alphabetical Listing - E
Summary Of New Features In140 - Graphs
Summary Of New Features In140 - Graphs

相关

GraphQ Graph UndirectedGraphQ DirectedGraphQ EdgeAdd EdgeCount EdgeDelete EdgeIndex EdgeList AdjacencyList ConnectedComponents ConnectedGraphComponents

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