I would like to select the values from my 2nd column which have the less than 5 value in the 1st column. So my matrix looks maybe like this:

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Sunil Oulkar
Sunil Oulkar 2016-2-16
评论： Sunil Oulkar 2016-2-16
1. column: [ 3 5 8 2 6 4 10 6 1 9 2 6 ]
2. column: [ 11 32 24 47 15 33 39 3 43 8 55 15 ]

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Stephen23
Stephen23 2016-2-16
编辑：Stephen23 2016-2-16
Use logical indexing:
>> M = [ 3 5 8 2 6 4 10 6 1 9 2 6; 11 32 24 47 15 33 39 3 43 8 55 15 ].';
>> M(M(:,1)<5,:)
ans =
3 11
2 47
4 33
1 43
2 55
Basic MATLAB usage like this is covered in the introductory tutorials:
http://www.mathworks.com/help/matlab/getting-started-with-matlab.html

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