compare length of arrays in a cell

4 views (last 30 days)
ludvikjahn
ludvikjahn on 12 Mar 2015
Commented: Adam on 13 Mar 2015
good morning, I have acell array and i want to compare cell's length. Till now I used just t compare the equality of the cells using:
isequal(A{1,:})
A is the cell array.
I tried to run
isequal(length(A{1,:}))
but that's not correct.
What is the easiest way to achieve that, without using a or cycle???
Thanks
  6 Comments
ludvikjahn
ludvikjahn on 13 Mar 2015
yes of course, I have just mistaken the brackets.

Sign in to comment.

Accepted Answer

Stephen23
Stephen23 on 13 Mar 2015
Edited: Stephen23 on 13 Mar 2015
This is easy to do in one line using cellfun , diff and any:
>> A = {cell(1,3),cell(1,3),cell(1,3)};
>> B = {cell(1,5),cell(1,2),cell(1,9)};
>> any(~diff(cellfun(@numel,A)))
ans =
1
>> any(~diff(cellfun(@numel,B)))
ans =
0

More Answers (1)

per isakson
per isakson on 12 Mar 2015
Edited: per isakson on 12 Mar 2015
A hint based on some guessing
cac = {'abc','def', 'ghi'};
tmp = cellfun( @length, cac, 'uni', false );
isequal( tmp{:} )
returns
ans =
1
I failed to make a one-liner
&nbsp
Addendum
A variant more in line with the comments to the question
cac = {'abc','def', 'ghi'};
cac = { cac, cac, cac };
tmp = cellfun( @length, cac, 'uni', false );
isequal( tmp{:} )
returns
ans =
1
  2 Comments
ludvikjahn
ludvikjahn on 12 Mar 2015
Edited: ludvikjahn on 12 Mar 2015
sorry, what stands 'uni' for? just as an example of length?

Sign in to comment.

Categories

Find more on Matrices and Arrays in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!