How to make a line between random nodes connection ?

Question

Asyran Abdullah 2018-8-24

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/416045-how-to-make-a-line-between-random-nodes-connection

评论： Asyran Abdullah 2018-8-24

采纳的回答： Walter Roberson

在 MATLAB Online 中打开

Hi guys,

How to make a connection between random nodes and select 1 of them as a cluster head?

numNodes=10;
p = rand(numNodes,2); 
labels = cellstr( num2str([1:numNodes]') );
plot(p(:,1),p(:,2),'rx')
text(p(:,1), p(:,2), labels, 'VerticalAlignment','bottom', ...
           'HorizontalAlignment','right')

The figure

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Answer 1

Walter Roberson 2018-8-24

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https://ww2.mathworks.cn/matlabcentral/answers/416045-how-to-make-a-line-between-random-nodes-connection#answer_333928

在 MATLAB Online 中打开

numNodes  =  10;
numEdge = 15;          %maximum, really. Random edges are generated and there could be duplicates
p = rand(numNodes,2);
st = unique( sort( randi(numNodes, numEdge, 2), 2), 'rows');
G = graph(st(:,1), st(:,2));
gp = plot(G);
gp.XData = p(:,1); gp.YData = p(:,2);