How to find unique lines in cell arrays

How to find unique lines in the next cell array:

 15   'm'
 18  'm'
 15  'm'

So the result will be:

 15   'm'
 18  'm'

Answer 1

[Azzi Abdelmalek]

use unique function

[Artyom]

Unique works only with cell array of strings.

[Azzi Abdelmalek]

a={15 'm'; 18 'm'; 15 'm';13 'r';15 'm'}
b=cellfun(@num2str,a,'un',0)
c=arrayfun(@(x) horzcat(b{x,:}),(1:size(a,1))','un',0)
[idx,idx]=unique(c)
out=a(idx,:)