treewidth G
This method computes the treewidth of a chordal graph.
i1 : G = graph(toList(0..9),{ {0,{6,7}},{1,{4,9}},{2,{3,5}},{3,{7,8}}, {4,{5,8}},{5,{8}},{6,{8,9}},{7,{8}},{8,{9}} });
i2 : Gc = chordalGraph G o2 = ChordalGraph{0 => {6, 7} } 1 => {4, 9} 2 => {3, 5} 3 => {5, 7, 8} 4 => {5, 8, 9} 5 => {7, 8, 9} 6 => {7, 8, 9} 7 => {8, 9} 8 => {9} 9 => {} o2 : ChordalGraph
i3 : treewidth Gc o3 = 3
The object treewidth is a method function.