Finding distance between one fixed point and a range of points.

Question

Prabs 2014-3-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/122556-finding-distance-between-one-fixed-point-and-a-range-of-points

编辑： Azzi Abdelmalek 2014-3-21

I have a point, say with coordinates x1,y1. And I have 2 arrays, namely x11 and y11 with the coordinates of the range of points. Want to find the distances between the fixed point and the range of points, and then identify the maximum distance and also plot the line.

Thanks in advance.

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Answer 1

Azzi Abdelmalek 2014-3-21

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/122556-finding-distance-between-one-fixed-point-and-a-range-of-points#answer_129551

编辑：Azzi Abdelmalek 2014-3-21

在 MATLAB Online 中打开

%-------------Example----------------------
v=rand(10,2);
n=rand(1,2);
scatter(v(:,1),v(:,2))
hold on
scatter(n(1),n(2),'r')
%--------------------------------------------
[ii,jj]=max(sum(bsxfun(@minus,v,n).^2,2))
m=v(jj,:)
plot([n(1) m(1)],[n(2)  m(2)])
hold off