I'm trying to write my column vector F into an ascii file. The code runs, but it does not write into the ascii file. Please help, the code is shown below.

start_date = datenum('06-Jun-2014 16:20');

end_date = datenum('09-Jun-2014 12:30');

interval = 10/24/60;

date = datestr(start_date:interval:end_date);

F=datenum(date);

format long g

F

for H=(1:numel(F))';

 F = F(H);

 dlmwrite('Neph2014average.txt',F,'delimiter','')

end

Answer 1

[Star Strider]

Lose the loop! You only need:

dlmwrite('Neph2014average.txt',F,'delimiter',',')

and it works.

[Dre Og]

Thanks so much Star Strider! I'm good now. I just discovered the problem! The code was good, but I had 2 copies of the output file in 2 different directories. All this while, I have been checking the one in the wrong directory!

[Star Strider]

My pleasure!

Uncertainty about paths can be a problem. As Jan Simon pointed out in another recent post, it is always a good idea to specify the full path when writing a file. When I wrote the file with my code and then used dlmread, it imported perfectly. To make sure I found it and checked it independently with ‘notepad’, I used:

specfile = which('Neph2014average.txt')

It gave me the full path and filename.

Never underestimate the unitlity of the which, who, and whos functions! They can make MATLAB programming and debugging significantly easier.