Fred sent me his file.
I posted about integration. so He sent a file about Tutorial on range variables, vectors, and functions.
I am trying to do my work with his method.
But I had a problem. it is how I can read my data(CL, CD) along "angle of attack"
I couldn't read data by using his method.
so I want your professionals to get advice.
I can't pass this procedure.
last one of attached file is file that he sent me