how to like columbs in excel file in matlab

To load specific columns from an Excel file in MATLAB, you can use the xlsread function along with specifying the range of columns you want to read. Here is an example illustrating how you can read specific columns from an Excel file:

main.m
% Specify the Excel file name and sheet name
filename = 'your_file.xlsx';
sheet = 'Sheet1';

% Define the range of columns you want to read (e.g., columns B, D, E)
columns = 'B:D';

% Read the data from the specified columns
data = xlsread(filename, sheet, columns);
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In this example, the variable data will contain the data from columns B, C, and D of the specified Excel file. You can adjust the range of the columns in the columns variable to read the columns you need.