write a code to evaluate excel data in 12 columns in matlab

main.m
filename = 'data.xlsx'; % change this to the name of your Excel file
sheet = 1; % change this to the sheet number containing data
range = 'A1:L100'; % change this to the range containing data

[data, text, raw] = xlsread(filename, sheet, range);

col1 = data(:,1); % store 1st column in "col1" array
col2 = data(:,2); % store 2nd column in "col2" array
% do the same for the other 10 columns...
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