3. Consider a Markov chain (Xn)n=0,1,2,... with state space S probability matrix = {1, 2, 3} and transition P = ( 1/5 3/5 1/5\ 0 1/2 1/2 3/10 7/10 0 The initial distribution is given by a = (1/2, 1/6, 1/3). Compute (a) P[X2 = k] for all k = 1, 2, 3; (b) E[X2]. Does the distribution of X2 computed in (a) depend on the initial distribution a? Does the expected value of X2 computed in (b) depend on the initial distribution a? Give a reason for both of your answers.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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3.
Consider a Markov chain (Xn)n=0,1,2,... with state space S
probability matrix
=
{1, 2, 3} and transition
P
=
(
1/5 3/5 1/5\
0 1/2 1/2
3/10 7/10 0
The initial distribution is given by a
= (1/2, 1/6, 1/3). Compute
(a) P[X2 = k] for all k = 1, 2, 3;
(b) E[X2].
Does the distribution of X2 computed in (a) depend on the initial distribution a? Does the
expected value of X2 computed in (b) depend on the initial distribution a? Give a reason for
both of your answers.
Transcribed Image Text:3. Consider a Markov chain (Xn)n=0,1,2,... with state space S probability matrix = {1, 2, 3} and transition P = ( 1/5 3/5 1/5\ 0 1/2 1/2 3/10 7/10 0 The initial distribution is given by a = (1/2, 1/6, 1/3). Compute (a) P[X2 = k] for all k = 1, 2, 3; (b) E[X2]. Does the distribution of X2 computed in (a) depend on the initial distribution a? Does the expected value of X2 computed in (b) depend on the initial distribution a? Give a reason for both of your answers.
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