how to code in matlab struct form

2019 2 1
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更新时间：2019 2 2
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how to code in matlab struct form to find the distances of nodes randomly selected from a randomly distrbuted nodes. pliz help
in the given code some nodes are selected based on some random number generated by nodes from i nodes and one struct matrix is formed for the new nodes and want to find distances for those new selected nodes. pliz help

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KSSV
KSSV 2019-2-1

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Read about pdist and pdist2. If you have coordinates(x1,y1) and (x2,y2) you may straight away use distance formula:
d = sqrt((x2-x1).^2+(y2-y1).^2)

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Guillaume
Guillaume 2019-2-1
You can also use hypot which supposedly is more reliable for extreme cases than using sqrt(dx.^2 + dy.^2) directly.
d = hypot(x2-x1, y2-y1);
madhan ravi
madhan ravi 2019-2-1
编辑：madhan ravi 2019-2-1
+1 Guillaume! , hypot's accuracy is higher.
rem ng
rem ng 2019-2-2
thanks all for your help !!!!

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