How to get first 3 maximum number in a matrix

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Moe
Moe 2014-11-4
评论： Adam 2014-11-5
Suppose I have a matrix m:
m = [7;1;4;4;12;2;6;10;2];
I want to find first 3 maximum in matrix m, means like:
n = [7;12;10]; % sorting is not issue

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Adam
Adam 2014-11-4
temp = sort( m, 'descend' );
n = temp(1:3);

更多回答（2 个）

Azzi Abdelmalek
Azzi Abdelmalek 2014-11-4
n=sort(m)
n=n(end:end-2)
Matt J
Matt J 2014-11-5
Bruno Luong took the trouble to make a fast MEX implementation
http://www.mathworks.com/matlabcentral/fileexchange/23576-min-max-selection

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