To David Sanchez. Thank you very much for the answer. If you don't mind please elaborate it.

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Kompella 2013-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/78063-to-david-sanchez-thank-you-very-much-for-the-answer-if-you-don-t-mind-please-elaborate-it

I use windows7. This is the place where I saved my data files. 'C:\Users\SRINATH KOMPELLA\Documents\MATLAB\Data. Inside the folder Data. Names of the data files are like this ioutput0257.dat , ioutput0462.dat, ioutput0488.dat, ioutput0645.dat, ioutput0798.dat, ioutput0825.dat. These are randomly picked examples. The actual files are named from 0001 to 0900. In each data file there are nx8 arrays (where n is a varying number of the order 1000). Of those,I have to pick up the 3th and 5th column as input for my program. You can also write to my mail. srinathkompella1993@gmail.com

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Answer 1

Iain 2013-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/78063-to-david-sanchez-thank-you-very-much-for-the-answer-if-you-don-t-mind-please-elaborate-it#answer_87765

在 MATLAB Online 中打开

 a = dir('C:\Users....\Data\*.dat');
 for i = 1:numel(a)
  filename = ['C:\Users...\Data\' a(i).name];
  ... code to read filename (you know the format)
  needed_data = read_data(:,[3 5]);
  ... code to pass the needed data to the program, or stack it in a matrix...
 end