Finding closest point to known coordinates

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Mehmet Volkan Ozdogan 2019-3-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/451221-finding-closest-point-to-known-coordinates

评论： Star Strider 2019-3-21

采纳的回答： Star Strider

Hi,

I want to find a coordinate which has minimum distance to other coordinates,

For example;

I want to find a coordinate (a,b) which has minimum distance to coordinates given below

x y

1 2

1 4

3 2

4 2

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Stephan 2019-3-20

euclidian distance?

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Star Strider 2019-3-20

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/451221-finding-closest-point-to-known-coordinates#answer_366440

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The minimum distance of a set of points is the Centroid (link), defined as the mean of the coordinates of the points:

xy = [1    2
      1    4
      3    2
      4    2];
  
minDist = mean(xy);
figure
plot(xy(:,1), xy(:,2), 'pg')
hold on
plot(minDist(1), minDist(2), 'rp')
hold off
grid
axis equal

Experiment toi get the result you want.

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Mehmet Volkan Ozdogan 2019-3-21

Thank you again

Sincerely

Star Strider 2019-3-21

As always, my pleasure.

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