In Matlab there is an essential difference between "scripts" and "functions". It is important not to confuse the terms. "Functions" start with the word "function" and have inputs and outputs, in opposite to scripts, which share the workspace with their callers.
A problem of your code is:
Tables=['200 feb.xlsx', '390 feb.xlsx'];
This concatenates the two char vectors, such that you get:
Tables = '200 feb.xlsx390 feb.xlsx';
Rik suggested to use a cell string instead with curly braces instead of the square brackets:
Tables = {'200 feb.xlsx', '390 feb.xlsx'};
But this does not match to the error message: I have no idea where "c.txt" is coming from, so I assume you do not show us the failing code but another one.
The next problem is, that your function range() does not define its output rated. Perhaps you want to return the imported table T?
function T = range(file_name)
T = readtable(file_name);
end
Finally:
Tables = {'200 feb.xlsx', '390 feb.xlsx'};
rated = [];
for i = 1:size(Tables, 2)
disp(Tables{i});
rated = [rated; range(Tables{i})];
end
The iterative growing of arrays is very inefficient, because the runtime grows exponentially. Prefer a "pre-allocation".
