Machine Learning, NLP, Artificial Intelligence, Machine Intelligence, Tutorial.
initial_probs[state] * emission_probs[textList[pos] + "|" + state] else: total = 0 for state_val in states: total += alpha(pos-1,state_val,textList,cachedRecursion) \ * transition_probs[state+"|"+state_val] * emission_probs[textList[pos]+"|"+state] # if cache is enabled, then cache if