Quick way to write cell or cell array

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Hi -
I'm trying to write a cell array containing something like (to a file):
'A1' 'A2' 'A3'
[2291x1 double] [1424x1 double] [1545x1 double]
Is there any quick and easy way to do so?
I appreciate any suggestion.
Thank you
Pearl

Risposta accettata

Azzi Abdelmalek
Azzi Abdelmalek il 24 Ago 2012
T={'A1' ,'A2' , 'A3';rand(2291,1) rand(1424,1) rand(1545,1)}
%i m not sur if that what you want
  4 Commenti
Pearl
Pearl il 27 Ago 2012
Azzi -
Thank you! I thought I could get a way without looping through all the data I have since I either have 96 or 384 elements instead of just 'A1' to 'A3'. I guess it's just faster to loop through instead of trying to find a faster way.
Thanks again!
Azzi Abdelmalek
Azzi Abdelmalek il 28 Ago 2012
Modificato: Azzi Abdelmalek il 28 Ago 2012
%for mor columns (676) you can use this:
T={'A1' ,'A2' , 'A3';rand(2291,1) rand(1424,1) rand(1545,1)}
s='ABCDEFGHIJKLMNOPQRSTUVWXYZ';c=s';
for k=1:length(s)
for l=1:length(s)
c=char(c,[s(k) s(l)])
end
end
for k=1:size(T,2)
n=length(T{2,k})+1;ch1=strtrim(c(k,:))
xlswrite('ans_xls126.xlsx',T(1,k),sprintf([ ch1 '%d:' ch1 '%d'],1,1))
xlswrite('ans_xls126.xlsx',T{2,k},sprintf([ ch1 '%d:' ch1 '%d'],2,n))
end

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Più risposte (1)

Walter Roberson
Walter Roberson il 25 Ago 2012
MATLAB is a bit weak on routines to write cell arrays all at one time. But you can use something like this:
headers = YourCell(1,:);
header_format = '%.15s %.15s %.15s\n';
values = cell2mat(YourCell(2,:));
numcols = size(values,2);
value_format = [ repmat('%.15g ', 1, numcols-1), '%.15g\n');
fout = fopen('YourFile.txt', 'wt');
fprintf(fout, header_format, headers{:});
fprintf(fout, value_format, values.'); %transpose is important!
fclose(fout);
  2 Commenti
Pearl
Pearl il 25 Ago 2012
@Walter
Thank you for your suggestion. The problem I have is that I can't do cell2mat(YourCell(2,:)) since each element of mine has different dimension. (Please see an example I posted). How can I write column by column? Or else I should create a matrix with the size of maximum numel of all the cell element I have, and then fill with NaN. Will NaN be written to file?
Walter Roberson
Walter Roberson il 25 Ago 2012
NaN will be written to the file if you use the structure such as I showed.
In order to write in "columns", you need to define how you can tell columns apart, such as how you can tell whether there are one blank columns or two blank columns instead. When that is defined we can help write the code.

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