Create a graph with several isolated nodes and a few links
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Sim
el 14 de Oct. de 2023
Comentada: Sim
el 16 de Oct. de 2023
Why I am not able to create a graph with several isolated nodes and a few links?
s = [1
1
1];
t = [1
2
3];
XY = [ 1 1.5
1.2 1.7
1.3 1.3
1.7 2.2
1 2
4.2 2.9
3.5 2.5
3.8 2.9
3.8 3.2
3.6 3.1
3 3
3.4 3.4
3 2.3];
G = graph(s,t);
G.Nodes.X = XY(:,1); G.Nodes.Y = XY(:,2);
6 comentarios
Dyuman Joshi
el 14 de Oct. de 2023
But there are no isolated nodes in your graph -
s = [1
1
1];
t = [1
2
3];
G = graph(s,t);
plot(G)
Respuesta aceptada
Steven Lord
el 14 de Oct. de 2023
Your code would work with one minor addition, a line that adds the additional nodes to the graph that are not present in the s and t vectors you use to create the graph.
s = [1
1
1];
t = [1
2
3];
XY = [ 1 1.5
1.2 1.7
1.3 1.3
1.7 2.2
1 2
4.2 2.9
3.5 2.5
3.8 2.9
3.8 3.2
3.6 3.1
3 3
3.4 3.4
3 2.3];
G = graph(s,t);
G = addnode(G, height(XY)-numnodes(G)); % Added
G.Nodes.X = XY(:,1);
G.Nodes.Y = XY(:,2);
Let's plot the graph and see the isolated nodes.
plot(G, 'XData', G.Nodes.X, 'YData', G.Nodes.Y)
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