Finding the nearest node in this case

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Sushree Patra
Sushree Patra 2018-12-9
评论： Sushree Patra 2018-12-9
I am trying to find nearest node from the fixed node.
so here is the code
x1= [16,38,56,78,45];
y1 =[23,62,77,56,34];
x2 = 100*rand(20,1);
x2= 150*rand(20,1);
for i = 1:5
text(x1(i),y1(i),num2str(i))
end
for i= 1:20
text(x2(i), y2(i),num2str(i));
end
Now i have to find out the nearest node of [x1,y1] w.r.t [x2,y2]
Objective find out which 10nodes from [x2,y2] are near to the [x1,y1] node

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采纳的回答

Walter Roberson
Walter Roberson 2018-12-9
pdist2
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Walter Roberson
Walter Roberson 2018-12-9
dd = pdist2([x1 y1], [x2 y2]);
[~, idx] = min(dd);
xclosest = x2(idx);
yclosest = y2(idx);
... I feel like I just did someone's homework for them because they did not read the documentation .
Sushree Patra
Sushree Patra 2018-12-9
Thank you very much sir Walter for you response and Solutions.
Well, Sir these quarries are related to my project based on Global optimization by using free search krill herd algorithm and opposition based learning.
As I am new to the Matlab and joined before 1 to 2 months seek help to implement my problem.
Much Appreciated
Thank you

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