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**liedora** Hi Soroban I think that your matrix multiplication is incorrect, for example by hand and in MATLAB I got P^(2n) = P^2 = [1 0 0;0 1/2 1/2;0 1/2 1/2] and P^(2n+1) = P^3 = [0 1/2 1/2 ; 1 0 0 ; 1 0 0]. But I now understand what it means to find the state distribution after an odd or even amount of steps. So thanks for that :) :)

Also what does it mean by the limit distribution (using the above results we have established) I can't seem to decrypt the notes but I have a feeling the limit distribution does not exist.. Not sure how to show this however.

Thanks for your fast reply Soroban.