Backward                Backward Algorithm for HMM
BaumWelch               Baum-Welch Algorithm (EM) for HMM
Forward                 Forward Algorithm for HMM
HMM                     HMM Parameter Estimation via Matrix/Tensor
                        Decomposition
Seq2Prob                Convert Observation Sequences to Co-occurrence
                        Matrix/Tensor
Viterbi                 Viterbi Algorithm for HMM
toyModel                Generate Toy HMM Data
