Corr(Y₁, Y₁-1) = c C Var(Y₁-k) Corr(Y₁, Y₁-k) = ck Var(Y₂) Hint: Argue that Y₁ is independent of t-1 et. Var(Y₁-1) Var(Y₂) (d) For large t, argue that 0² e and, in general, Then use Cov(Y, Yt-1)= Cov(cY₁-1 + et, Yt -1) - c² C for k> 0 Var(Y₂) ~ and Corr(Y₁, Y₁-k) ck so that {Y} could be called asymptotically stationary. (e) Suppose now that we alter the initial condition and put Y₁ that now {Y} is stationary. = for k > 0 e 1 √1-c² . Show
Corr(Y₁, Y₁-1) = c C Var(Y₁-k) Corr(Y₁, Y₁-k) = ck Var(Y₂) Hint: Argue that Y₁ is independent of t-1 et. Var(Y₁-1) Var(Y₂) (d) For large t, argue that 0² e and, in general, Then use Cov(Y, Yt-1)= Cov(cY₁-1 + et, Yt -1) - c² C for k> 0 Var(Y₂) ~ and Corr(Y₁, Y₁-k) ck so that {Y} could be called asymptotically stationary. (e) Suppose now that we alter the initial condition and put Y₁ that now {Y} is stationary. = for k > 0 e 1 √1-c² . Show
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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