MATLAB CODE:
t = 0:.05:10;
y = sin(t)+0.1+ 0.2*rand(1,length(t));
for i=1:length(t)
if i==1 || i==length(t)
y_smooth(i)=y(i);
else
y_smooth(i)=(y(i-1)+y(i)+y(i+1))/3;
end
end
subplot(211)
plot(t,y)
title('signal with noise')
subplot(212)
plot(t,y_smooth)
title('smoothed plot')
OUTPUT:
SCREEN SHORT:
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