matlab length of each element in cell array

Question

a={'a','aa','aaa','aaaa'}
length(a)
  4
size(a)
  1 4

How can I get the length of each element in the cell array with a single command? The desired output in the above example would be [1 2 3 4].

Answer 1

cellfun('length',a)

"apply length(x) to each element x in a".

cellfun docs.