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For rows and 2 columns, containing xOy coordinates of the point. Look for the two points with the furthest distance and return the row index of those two points.

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Phung Khai
Phung Khai on 23 Oct 2021
Answered: Chunru on 23 Oct 2021
Please, Can y help me :
For rows and 2 columns, containing xOy coordinates of the point. Look for the two points with the furthest distance and return the row index of those two points.

Answers (1)

Chunru
Chunru on 23 Oct 2021
n = 8;
xy = rand(n, 2);
d = pdist(xy);
D = squareform(d)
D = 8×8
0 0.7326 0.0969 0.6177 0.0679 0.3563 0.4383 0.6051 0.7326 0 0.8275 0.1851 0.7570 0.9674 0.3597 0.2801 0.0969 0.8275 0 0.7146 0.1120 0.2977 0.5343 0.7009 0.6177 0.1851 0.7146 0 0.6287 0.9018 0.1958 0.0989 0.0679 0.7570 0.1120 0.6287 0 0.4032 0.4407 0.6054 0.3563 0.9674 0.2977 0.9018 0.4032 0 0.7528 0.9152 0.4383 0.3597 0.5343 0.1958 0.4407 0.7528 0 0.1668 0.6051 0.2801 0.7009 0.0989 0.6054 0.9152 0.1668 0
[~, idx]= max(D(:));
[i, j] = ind2sub([n n], idx)
i = 6
j = 2

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