Trying to identify if the system below is recursive or not, I would think a recursive system present output value would depend of a past output and not on a present output value.
Is
$$Y[n] = X[n] - Y[n] $$
a recursive system?
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1Do you need past outputs to compute the current output? – Matt L. May 31 '17 at 18:15
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No just the current outputs as feedback to compute current output. – Didi May 31 '17 at 19:06
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Well, then there is no feedback; you can't use the current output to compute the current output, right? – Matt L. May 31 '17 at 20:05
