Question with iteration data and writing them

Dear all

I have attached the data that i would like to process. As you can see, it has 105122 rows.

However, i want to print the data of the second column at each 13 timestep.

How can i do this and print the values to external text or excel file?

Your assistance is appreciated.

[Stephen23]

Please edit your question and attach the data using the paperclip button: you will need to press both buttons: Choose file and Attach file.

[Geoff Hayes]

@Ayesha - what is the format of your file? Consider using impordata (if applicable) to import your data which you can then iterate over and write the second column of every 13th row (is this correct) to a new file (or Excel spreadsheet). See fprintf and/or xlswrite for details.