Using fprintf to export to .txt file as vertical columns

I am running fprintf to export two columns to a .txt file. The first column (A) is a datestring with format HH:MM:SS and the second column (B) is just numerical values showing 2 d.p. I want both of these columns to display vertically. The script I am using for this is below;

 fprintf(fid, '%s %.2f \r\n', A(:), B(:));

Running this the .txt file is formatted as below with all the time values horizontal followed by the temp values however every second temp value is not displaying as 2 d.p

14:48:4314:48:4614:48:4914:48:5214:48:5514:48:58 15.95

1.601000e+01 16.21 

1.588000e+01 15.67 

1.561000e+01

What do I need to change to the script to get it to display like below?

14:48:43 15.95 

14:48:46 16.01 

14:48:49 16.21 

14:48:52 15.88 

14:48:55 15.88 

14:48:58 15.61

Answer 1

[Walter Roberson]

fmt = '%s %.2f \r\n';
data_to_write = [A(:), num2cell(B(:))] .' ;    %transpose is important!
fprintf(fmt, data_to_write{:});

[Cameron Spooner]

If I try to run that then I get an error in your second line; Error using horzcat Dimensions of matrices being concatenated are not consistent.

I've attached the script and test data if that helps. Thanks

[Walter Roberson]

Your A and B are not the same length. You can test the above code with

B = 15.5 + rand(6,1);
A = {'14:48:43' '14:48:46' '14:48:49' '14:48:52' '14:48:55' '14:48:58'};

Works fine in my test.

[Walter Roberson]

You created your time as a char array instead of as a cell array of strings. Use

Time = cellstr( datestr( datenum(0,0,0,0,0,Time_secs), 'HH:MM:SS') );

[Cameron Spooner]

Thanks that's working great! Do I need another line in the script now for exporting to the .txt file because the data is appearing in the command window correctly but only the headers appear in the text file.

[Walter Roberson]

fprintf(fid, fmt, data_to_write{:});

[Cameron Spooner]

thanks