Matlab+图theory+权重分配

Question

我一直在尝试标记一个无向图的边，而且，我正在使用这个matgraph工具！我成功地制作了一个图，我只想给它分配权重……请帮帮我！！

这是我尝试过的，

clear all;
close all;
clc;
g=graph;
for k=1:6

add(g,k,k+1)
add(g,1,4)
add(g,5,7)
end
ndraw(g);
x=rand(1,1);
y=rand(1,1)
A =[0 x 0 x 0 0 0;
x 0 x 0 0 0 0;
0 x 0 x 0 0 0;
x 0 x 0 x 0 0;
0 0 0 y 0 x x;
0 0 0 0 x 0 x;
0 0 0 0 x x 0]

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Answer 1

如果我没理解错的话，你可以在你写的代码后面加上这段代码：

% get line info from the figure
lineH = findobj(gca, 'type', 'line');
xData = cell2mat(get(lineH, 'xdata')); % get x-data
yData = cell2mat(get(lineH, 'ydata')); % get y-data

% if an edge is between (x1,y1)<->(x2,y2), place a label at
% the center of the line, i.e. (x1+x2)/2 (y1+y2)/2 etc
labelposx=mean(xData');
labelposy=mean(yData');

% generate some random weights vector
weights=randi(21,length(labelposx),1); 

% plot the weights on top of the figure
text(labelposx,labelposy,mat2cell(weights), 'HorizontalAlignment','center',... 
                                            'BackgroundColor',[.7 .9 .7]); 

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