finding the 10 lowest values

I have a matrix with a lot of data, and i want to find the 10 lowest values of a specific collum.

Does anybody know how to do that?

i was thinking about using the function min() but it does not allow me to select a specific collum, or finding more than the one value which is the lowest.

Answer 1

[Artik Crazy]

• Let's say you have a matrix of 10x10:

   x=rand (10,10);

• Sort it by the columns in ascending order:

   y=sort (x,1, 'ascend')

*Now take the 5 first rows - these are the lowest values in every column:

   z=y(1:5, :)

Answer 2

[the cyclist]

First 10 values of "sorted_x" is what you want.

A = rand(100,10);
columnToSort = 7;
[sorted_x, index] = sort(A(:,columnToSort),'ascend');

Answer 3

[Marc]

But if I want the indexes of these 10 values? Should I sort to find the values and then "find" these values in the matrix?

Is there a more elegant way?

[Adam]

the cyclist gave an answer that also returns indices. You can just feed these directly into your array.