> Nothing real ever "is" a Markov chain. What do you mean? Quantum states over time are very much markov chains as well. > It's simply a (slightly unusual) mo

> Nothing real ever "is" a Markov chain. What do you mean? Quantum states over time are very much markov chains as well. > It's simply a (slightly unusual) modelling choice which you can use whenever you've listed all possible inputs that can affect a transition probability That has nothing to do with markov chains, do you mean a specific implementation? Markov chains is a probability theory concept and has nothing to do with any implementation.