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3 Comments
Brian Butler
on 16 Nov 2015
This solution uses filter from the Signal Processing Toolbox.
Peng Liu
on 18 Nov 2015
Yes, it uses filter, but filter is indeed not a toolbox function, but a built-in function. You can fix the error by changing f=y(n-2) to f = y(n)
Jan Orwat
on 18 Nov 2015
... and then change first input of filter to [1,-1] and remove +1 from the end of the line.
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