we study the first hitting time of birth and death chain in random environment that has finite states.By difference equation
we give the relation of the first hitting time between different states. Then we get the difference equation of extinction probability of birth and death chain in random environment that has a absorb state.At last
we give two examples to explain that when the state space containing absorbing state
we can also calculate absorbing probabilities by different equation.
关键词
随机环境马氏链马氏环境中的生灭链首达时
Keywords
Markov chain in random environmentbirth and death chain in Markov environmentfirst hitting time