Counts the number of graphs in a list that satisfy certain restraints as given in the filter (see buildGraphFilter). Notice that the input list can be graphs represented as instances of the class Graph or in a nauty-based String format.
For example, we can count the number of connected graphs on five vertices.
i1 : L = generateGraphs 5; |
i2 : countGraphs(L, {"Connectivity" => 0, "NegateConnectivity" => true}) o2 = 21 |
The object countGraphs is a method function.