How to plot this signal?
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I'm trying to plot this signal but I'm not sure where to start.
y(n) = ax(n) + bx(n − 1) + cx(n − 2)
where a=b=c=1/3
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Honglei Chen
2014-9-12
编辑：Honglei Chen
2014-9-12
y = filter([a b c],1,x);
plot(y)
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