arriers 0 and m where po,1 = 1 and Pm,m-1 =1 and pii-1 = Pi_ – 1. Suppose that the holding times in states 0 and m have e with parameter 01 and in all other states have exponential o eter 02. Describe the chain with a rate diagram and find its genera

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter10: Matrices
Section10.EA: Extended Application Contagion
Problem 1EA: Find the second-order contact matrix PQ mentioned in the text.
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Consider a continuous-time Markov chain whose jump chain is a random walk with
reflecting barriers 0 and m where po,1 = 1 and pm,m-1 =1 and pii-1 = Pii+1 = for
1<i<m-1. Suppose that the holding times in states 0 and m have exponential
distribution with parameter 01 and in all other states have exponential distribution
with parameter 02-
(a)
Describe the chain with a rate diagram and find its generator.
Find the stationary distribution. For what values of 01 and 02 is it
(b)
uniform. Compare it with the stationary distribution for the jump chain.
Transcribed Image Text:Consider a continuous-time Markov chain whose jump chain is a random walk with reflecting barriers 0 and m where po,1 = 1 and pm,m-1 =1 and pii-1 = Pii+1 = for 1<i<m-1. Suppose that the holding times in states 0 and m have exponential distribution with parameter 01 and in all other states have exponential distribution with parameter 02- (a) Describe the chain with a rate diagram and find its generator. Find the stationary distribution. For what values of 01 and 02 is it (b) uniform. Compare it with the stationary distribution for the jump chain.
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