Logic issues for creating a random walk

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Andy
Andy 2013-4-23
I have a set of random points plotted. I want to create a random walk between all of these plotted points so they are all visited once and only once. Then i will want to repeat many more random walks to find the best solution.
I am struggling with the logic needed to plot lines between my points and make sure they are only visited once. So any help with that would be appreciated, the rest i can work out.
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Andy
Andy 2013-4-23
I have this so far to try and get my plotting correct.
xCor = rand(1,10)
yCor = rand(1,10)
Cor = [xCor; yCor]
subplot(1,1,1);
plot(xCor,yCor,'r.','MarkerSize',20)
c = randperm(10,10)
x1 = Cor(1,c(1))
y1 = Cor(2,c(1))
x2 = Cor(1,c(2))
y2 = Cor(2,c(2))
hold on;
plot([x1 y1],[x2,y2])
I create my Coordinate set Cor and plot the individual x and y points. I then create a random permutation so that i can select random Columns from Cor. When the numbers are printed out for x1, y1 etc . . they all match with the numbers in Cor and the numbers that were plotted but the plotted line does not relate to any points on my figure . . .despite having the same co ordinates.

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采纳的回答

Iman Ansari
Iman Ansari 2013-4-23
编辑：Iman Ansari 2013-4-23
Hi.
plot([x1 x2],[y1,y2])
For all lines:
xCor = rand(1,10)
yCor = rand(1,10)
Cor = [xCor; yCor]
subplot(1,1,1);
plot(xCor,yCor,'r.','MarkerSize',20)
c = randperm(10,10)
x1 = Cor(1,c(1:9))
y1 = Cor(2,c(1:9))
x2 = Cor(1,c(2:10))
y2 = Cor(2,c(2:10))
hold on;
plot([x1;x2],[y1;y2])
  1 个评论
Andy
Andy 2013-4-23
Thank you, my problem seemed to be i was plotting x1 y1 x2 y2 instead if x1 x2 y1 y2. Your answer also simplifies mine with the colon instead of a loop which is great.

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