How to index a cell

Hi everyone, I have a text file and I imported it with textscan, but i have problem to index cell. Anybody would like to give a hand ? Thanks!

whos a Name Size Bytes Class Attributes

a         1x5             107750  cell  
a is my cell. a{1,1} is 169*1 cell.
I tried to use size or length. for instance size a(1)...etc
but the returned outcome is 1. It should be 169. I dont know why.

Answer 1

[Thomas]

try

size(a{1})

This should help

http://blogs.mathworks.com/loren/2006/06/21/cell-arrays-and-their-contents/

[Lei]

hi Thomas,

Thanks! Your answer works! Actually, I googled it and I found this one. I am just getting confused since somewhere said my cell a is a nested cell, is this right? i.e., A cell can contain another cell array, or even an array of cell arrays.