Finding the 2 closest coordinates for a point

I have got a 30 points in the set [-0.5,0.5]^2 in a matrix R generated from the random function. For each point, I need to find the 2 nearest points as well as the row number of the points. What should be done?

5 Commenti

What about pdist2?
Thanks! But I am not getting the corresponding row number i.e the point number.
try
[D,I] = pdist2(X,Y,'euclidean','Smallest',1);
You should copy your comment as an answer, darova. That way the problem will be marked as ansered and you can get credit for your good answer.

Accedi per commentare.

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[D,I] = pdist2(X,Y,'euclidean','Smallest',1);
Im gonna be MVP (Most Valueble Person), maybe MathWorks will start to pay me. Accept my answer please

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