Consider a 1D random walk with varying steps: the length of the steps is $A$ a fraction $\gamma$ of the time, and $B$ the rest of the time. If $\gamma = 0$, the mean squared displacement approaches asymptotically $B N$ (where $N$ is the number of steps). What if $\gamma$ isn't $0$?
2026-03-29 02:17:36.1774750656
Mean Square Displacement of Alternating Random Walk
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