time 1 2 3
observation T H T
P(observation|loaded coin) 0.2 0.8 0.2
s(t) | s(t-1)
regular coin | regular coin 0.25 0.1 0.04
regular coin | loaded coin 0.01 0.00256
loaded coin | regular coin 0.1 0.04 0.004
loaded coin | loaded coin 0.064 0.01024
v: probability matrix
regular coin 0.25 0.1 0.04
loaded coin 0.1 0.064 0.01024
path.m: path matrix
regular coin 1 1
loaded coin 2 2
most likely path 1 1 1