MATLAB: Create a string from array by concatenating array elements separated by comma.

arrayMATLABstrings

I have an array like a=[ p q r]. I want to convert the array to a string like s='p,q,r'.Can any one help me please?

Thanks,Tapas

Best Answer

a = [7 8 9]
S = sprintf('%i,',a);
S = S(1:end-1)

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MATLAB: Concatenate and replace comma by dot

numfiles = 300; 
concat   = cell(1, numfiles); 
for ii = 1:numfiles 
  filename  = sprintf('data-%d.dat', ii); 
  concat{ii} = strrep(fileread(filename), ',', '.'); 
end
newFile = fullfile(tempdir, 'JoinedFile.dat');
FID = fopen(newFile, 'w');
if FID == -1, error('Cannot open file for writing'); end
fprintf(FID, '%s', concat{:});
fclose(FID);

Now the new file contains all data with dots instead of commas and can be imported at once.

[EDITED] Remove headerlines, which start with 'F':

concatC = cell(1, numfiles); 
for ii = 1:numfiles 
  filename   = sprintf('data-%d.dat', ii); 
  Str        = strrep(fileread(filename), ',', '.');
  CStr       = regexp(Str, '\n', 'split');
  CStr(strncmp(CStr, 'F', 1)) = [];
  % Perhaps:
  if isempty(CStr{end})
    CStr(end) = [];
  end
  concatC{ii} = CStr(:);
end
concat = cat(1, concatC{:});

MATLAB: Concatenate arrays

it makes it '3d'

Best Answer

Related Solutions

MATLAB: Concatenate and replace comma by dot

MATLAB: Concatenate arrays

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