How to simulate 2nd order markov chain (if poss. Nth order) in MATLAB

In summary, a 2nd order Markov chain is a mathematical model that describes a sequence of events where the probability of each event depends on the previous two events. To simulate a 2nd order Markov chain in MATLAB, you need to define transition probabilities and initial state, create a Markov chain object using the 'markovchain' function, and generate a sequence of states using the 'simulate' function. It is also possible to simulate an Nth order Markov chain in MATLAB by defining transition probabilities and initial state for each level and using a loop. Markov chains have various applications in fields such as finance, economics, biology, and computer science. Results of a simulated Markov chain can be visualized using functions like
  • #1
dexterdev
194
1
Hi PF,
I would like to simulate N th order markov chain (not by means of hidden markov models, but ordinary markov chain) using Matlab. If n-th order is a heavy thing atleast 2nd or 3rd order will do.

TIA
 
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  • #2

1. What is a 2nd order Markov chain?

A 2nd order Markov chain is a mathematical model that describes a sequence of events where the probability of each event depends on the previous two events. This means that the future state of the system is only dependent on the current state and the state before it.

2. How can I simulate a 2nd order Markov chain in MATLAB?

To simulate a 2nd order Markov chain in MATLAB, you will need to define the transition probabilities and initial state of the system. Then, you can use the built-in function 'markovchain' to create a Markov chain object. Finally, you can use the 'simulate' function to generate a sequence of states based on the defined probabilities and initial state.

3. Is it possible to simulate an Nth order Markov chain in MATLAB?

Yes, it is possible to simulate an Nth order Markov chain in MATLAB. The process is similar to simulating a 2nd order Markov chain, but you will need to define the transition probabilities and initial state for each level of the chain. You can also use a loop to generate a sequence of states for the desired number of levels.

4. What are some applications of simulating Markov chains?

Markov chains are commonly used in various fields such as finance, economics, biology, and computer science. Some applications include predicting stock prices, modeling population growth, analyzing DNA sequences, and generating text in natural language processing.

5. Can I visualize the results of a simulated Markov chain in MATLAB?

Yes, you can visualize the results of a simulated Markov chain in MATLAB by using the 'plot' function. This will create a graph showing the sequence of states over time. You can also use other visualization techniques such as a bar graph or a heatmap to better understand the behavior of the system.

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