NLP, Naturallanguageprocessing, Deep Learning, Machine Learning, Artificial Intelligence.
argmax(Delta[1][2] * A[1][2] * B[2][3], Delta[2][2] * A[2][2] * B[2][3], Delta[3][2] * A[3][2] * B[2][3]) = 2 The state that led to the maximum probability for state 2 at time 3 is state 2, because the maximum probability comes from the path from state 2 at time 2 to state 2 at time 3. So,