how to store coordinate values xy[] for randomly generate point

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tumpa pal
tumpa pal 2020-5-15
评论： tumpa pal 2020-5-22
for i=1:NumOfNodes
S(i).xd=rand(1)*xm;
S(i).yd=rand(1)*ym;
end
from this given code I can store coordinate of randomly generate point in matrix format but
How could I store coordinate of randomly generate point xy=[3.7739 88.5168; ........]; like this format .

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采纳的回答

Fangjun Jiang
Fangjun Jiang 2020-5-15
Try one-liner, no loop.
xy=[xm*rand(NumOfNodes,1), ym*rand(NumOfNodes,1)]

更多回答（1 个）

Turlough Hughes
Turlough Hughes 2020-5-15
The format you used (based on the code you provided) is a structure and the format you are looking for is an array. To generate an N by 2 array as you specified you can do the following:
N = 20;
xm = % some value
ym = % some value
xy = rand(N,2).*[xm ym];
  1 个评论
tumpa pal
tumpa pal 2020-5-22
suppose xy = 100*rand(n,2);
after few operation the value of x y cordinate value will be changed .
how could I implement into my MATLAB code?
thanks in advance

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