i. Simulate 400 AR(2) with a1 = 1.559 and a2 = −0.81 and plot the periodogram (loge scale) and the true model both versus frequency. ii. Using Exercise 6, compute where the maximum of p(f) should...

i. Simulate 400 AR(2) with a1 = 1.559 and a2 = −0.81 and plot the periodogram (loge scale) and the true model both versus frequency.

ii. Using Exercise 6, compute where the maximum of p(f) should occur [and that it is indeed a maximum] and that the graph matches this computation.