Change font size of node name in a graph

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Hello,
Is there any one knows how to change the font size of node name in a graph, please!
I see that we can change many graphical characteristics by using the option 'Edit', but I can not find any option to change the font size of node names.
Could you help me, please!
Thanks,
Khuyen

采纳的回答

Josh Meyer
Josh Meyer 2019-3-20
Several new properties were added to GraphPlot objects in R2018b to enable customization of node and edge labels. In particular you can change the font size with the NodeFontSize and EdgeFontSize properties.
A list of all the properties is here: GraphPlot Properties
Example:
G = graph([1 1 1 1 5 5 5 5],[2 3 4 5 6 7 8 9]);
h = plot(G,'NodeLabel',{'A','B','C','D','E','F','G','H','I'});
h.NodeFontSize = 14;
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