Create and plot random points with connected lines
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I wondered if there is a way to plot random points I know the total number of them, and then plot the lines that connect them. The connectivity matrix (A) is known and it has a size of nXn, where n is the total number of points and all elements of A are either 0 (no connection) or 1 (connected). If possible, I want to limit the dimension of graph by (1 X sqr(2)) unit of plot. Thanks in advance
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Roger Stafford
2017-1-3
编辑：Roger Stafford
2017-1-3
Assume that A is symmetric with zeros on the diagonal (bidirectional connections) and that there are n points.
x = rand(n,1);
y = sqrt(2)*rand(n,1);
plot(x,y,’yo’)
hold on
for i1 = 1:n-1
for i2 = i1+1:n
if A(i1,i2) ~= 0
plot([x(i1),x(i2)],[y(i1),y(i2)],’y-‘)
end
end
end
hold off
axis equal
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Walter Roberson
2017-1-3
1 个投票
When you have a connectivity matrix, you can create a graph() and plot() it; https://www.mathworks.com/help/matlab/ref/graph.plot.html
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