MATLAB: Storing a vector in a loop each time with a different name

csvfor loopstoring a vectorxlsread

for k = 1:10
    FileName1 = ['EqvStr_',num2str(k),'.csv'];
    filename1 =fullfile('E:\ANSYS_FILES\BigKB', FileName1);
    A = xlsread(filename1,'A2:E1000');
    vectorname = ['a',num2str(k)];
    vectorname = A(:,1);           
end
    disp(a1)
    disp(a2)
    disp(a3)
    disp(a4)
    disp(a5)
    disp(a6)
    disp(a7)
    disp(a8)
    disp(a9)
    disp(a10)
So I am running the above code and MATLAB gives me an error message saying "Undefined function or variable 'a8'". It is weird because it IS showing me the results if I comment out the a8, a9, and a10 lines from the code but gives me the error message if not. There are a 1090 files in the folder in that name format and I am just testing the code with the first 10 but it is showing me this error. Can anyone please help me understand what the problem here is?

Best Answer

This is not the best way to do this in MATLAB. There are many, many posts on this site explaining why. Instead, you should use cell arrays. E.g.,
A{k} = xlsread(filename1,'A2:E1000');
Then downstream in your code simply use A{k} instead of the a1, a2, etc that you are currently using. See this link:
https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval
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