i want to use fonction(unique) to get un string ,but it awlays shows Error using cell/unique?Can anyone tell me what I am doing wrong here? thank you

P={pa(1),pa(2),pa(3),pa(4),pa(5)};
H=unique(P,'rows');

Error using cell/unique (line 95)
Input A must be a cell array of strings.

Answer 1

[Mischa Kim]

pengcheng, use

 P = [pa(1),pa(2),pa(3),pa(4),pa(5)]; 
 H = unique(P);

instead.

[Guillaume]

Or even simpler:

 P = pa(1:5);
 H = unique(P); % don't need the 'rows' option in any case

[pengcheng]

yes,il looks like simpler

Answer 2

[pengcheng]

thank you very much