Self-assessment question

SAQ 2

State the order of each of the following recursive filters:

(a) y_n = 2x_n - x_n-1 + y_n-1

(b) y_n = x_n-1 - x_n-3 - 2y_n-1

(c) y_n = x_n + 2x_n-1 + x_n-2 - 2y_n-1 + y_n-2

Answers

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