graph and conncomp examples

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Pa342
Pa342 2019-9-22
评论： Pa342 2019-9-23
In the example given for conncomp it has this:
graph([1 1 4],[2 3 5],[1 1 1],6);
I do not understand how this leads to the graph which is displayed. The documentation for graph is not clear about this either. Can anyone explain how graph actually operates in this case in a really simple way?

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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-9-22
G=graph([1 1 4],[2 3 5],[1 1 1],6);
plot(G);
3456.png
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Walter Roberson
Walter Roberson 2019-9-22
G = graph(S,T,WEIGHTS,NUM) specifies the number of nodes of the graph
with the numeric scalar NUM. NUM must be greater than or equal to the
largest elements in S and T.
So you are using weights 1, 1, and 1 for the edges, and you are telling it that there are 6 nodes. You want to tell it the number of nodes because your edge specifications do not necessarily include any link to or from all of your nodes.
Pa342
Pa342 2019-9-23
Thanks Walter, I understand it now.

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