create a code that performs a moving average smoothing of data from a text file in matlab

main.m
% Set up file name
filename = 'data.txt';

% Read data from file
data = dlmread(filename);

% Set up smoothing window size
window_size = 5;

% Perform smoothing
smoothed_data = movmean(data, window_size);

% Plot original and smoothed data
plot(data, 'b', 'LineWidth', 1);
hold on;
plot(smoothed_data, 'r', 'LineWidth', 2);
grid on;
xlabel('Time');
ylabel('Signal');
title('Moving Average Smoothing');
legend('Original Data', 'Smoothed Data');
hold off;
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