MATLAB: How to store columns of different lengths using cells

Question

Dear all,

I understand that in order to store column vectors of different length one ought to use cells. I fail to see my mistake in attempting to do this in the code below. I get the following error message: 'Array indices must be positive integers or logical values' but I don't really know what that means. Here's my attempt:

clc;
 clear;
 [~,~,raw] = xlsread( '21series',8) ;
 dates     = cellfun( @(x) sscanf( x, 'Q%d %d' ), raw(2:end,1), 'UniformOutput', false ) ;
 dates     = horzcat( dates{:} ).' ;
 headers   = raw(1,2:end) ; 
 select      = raw(2:end,2:end) ;             % Cell array mixed str/values.
 select(cellfun( @ischar, select )) = {NaN} ;   % Cell array NaN/values
 select      = cell2mat( select ) ;             % Numeric array.
 
 [nnn,kkk] = size(select);
 for colidtrim=1:kkk;
     datalogical(:,colidtrim)=~ isnan(select(:,colidtrim));
 end
 newData=cell(1,kkk);
 
 for colidback2num=1:kkk
 
  trimtempstoreCol = select(~isnan(select(:,colidback2num)),colidback2num);
 
 newData{trimtempstoreCol};
 
 end

Any suggestions?

Many thanks

Answer 1

I assume that you intend to put successive values of trimtempstoreCol into cells of newData.

To do that, replace

newData{trimtempstoreCol};

by

newData( 1, colidback2num ) = {trimtempstoreCol};

or by

newData{ 1, colidback2num } = trimtempstoreCol;

That will make your code run.

PS: datalogical is never used.