# 輸入 L個觀察序列O,初始模型:HMM={A,B,pi,N,M} def BaumWelch(self, L, T, O, alpha, beta, gamma): DELTA = 0.01 ; round = 0 ; flag = 1 ; probf = [0.0] delta = 0.0; probprev = 0.0 ; ratio = 0.0 ; deltaprev = 10e-70 xi = np.
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