to delete some rows frm cell

this is a cell 'names ' in the workspace

i want to delete all the row whose having string data in 2 column

i am doing this by using this code

for ii =1:333
   if isempty(names(ii,2))
       ii+1;
   else
       delete(names(ii,2))
       ii+1;
   end
       

but it gives error so plz tell me what will be the code for this

my workspace has

   names 333*2 cell

Answer 1

[Jan]

Please read the Getting Started chapters of the documentation and study Matlab's Onramp to learn the basics.

Do not increase the loop counter of a for loop manually. This is confusing only,because the loop ignores the changes.

isempty(names(ii,2)) does not, what you expect. names(ii,2) is a cell, which contains an empty char vector, so it is not empty. The contents is empty, so you need the curly braces: names{ii,2}

The delete command does not remove elements from an error, see:

doc delete

If you delete an element of an array, the rest of the array is shifted to the top. Then a loop would overse the following element.

A solution for your problem:

emptyElem = cellfun('isempty', names(:, 2));
names     = names(~emptyElem, :);

Or with a loop:

toDelete = false(1, 333);
for ii =1:333
   toDelete(ii) = isempty(names{ii,2});
end
names(toDelete, :) = [];