Save data from a for loop in the same file

In the following code, with a for loop , I want to save all the values of T in the same file, actually it save each value in a different file. T is inside a for loop. I want the values in the same file to process it, thanks!

clear all; close all;

im_geo=imread('background.jpg');
figure; imshow(im_geo), title('background'); % Background
hold on
im_geoo=imread('signal imatge ac 15052014.jpg');
figure; imshow(im_geoo), title('bright line'); % Bright line

z=1;
x= linspace(0, 35, 35);
%totes les línies de la imatge
for p=170:1:350;

      z=z+1; %eix x

      %valors I
      t=im_geoo(p:p,271:306);
      u=im_geo(p:p,271:306);

      tu=t-u;

      %fwhm
      mi= min(tu); ma= max(tu);
      x_above= x(tu> (ma- mi)/ 2);
      fwhm= x_above(end)- x_above(1);

      %paràmetres
      a=atan(69./(2.*570));
      mmpx=5./102;

      m=fwhm.*mmpx;

      T=(sqrt(2).*a.*m)./(3e11);

      name = num2str(p) ;

      filename = mat2str([name '.txt']);
      save(filename, 'T', '-ascii','-double','-append');

      %plot (z,T)
      %hold on

end

Answer 1

[Mahdi]

I know there is a way to do it, but my brain is failing me at the moment. What you can do instead is hold all the T values in a matrix and then save that matrix:

i=1
for p=170:1:350
...
T(i)=(sqrt(2).*a.*m)./(3e11);
...
i=i+1;
end
filename="Put a filename here";
save(filename, 'T', '-ascii','-double','-append');

[Albert]

yeah, I'm new in matlab and i don't know a lot of things yet. Thank you a lot.