Ignoring the relation containing the white noise variance ðs2 v Þ, show that the normal equation can be written as Thus, the AR parameters ai can be found from the experimentally accessible quantities...

Ignoring the relation containing the white noise variance ðs2 v Þ, show that the normal equation can be written as

Thus, the AR parameters ai can be found from the experimentally accessible quantities Rx½l; that is, Rx½l can be estimated from actual data samples of x½n.