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 2021-10-23
回答： Chunru 2021-10-23
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.

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Chunru
Chunru 2021-10-23
Ran in:
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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