8.11 Verify that yh = A1st −1 + A2st −1, where s1 and s2 are as defined in equation (8.81), t 1 2 2 4φ2 > 0; is a solution for the homogeneous equation yt − φ1 yt −1 − φ2 yt −2 = 0 when φ1 + t and that yh = r t −1[ A1 cos(t − 1)θ + A2 sin(t − 1)θ ] is a solution to the same homogeneous equation when φ2 + 4φ2 0. 1
Solution ID:10137789 | Question answered on 16-Oct-2016
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