Mahsulot tavsifi

HMM uchun kuzatilgan ketma-ketlik ehtimolini hisoblash usuli Alpha_t(i)=P(O_1...O_t, q_t=i|λ) deb belgilanadi. Boshlanish: alpha_1(i)=π_i b_i(O_1). Rekursiya: alpha_{t+1}(j)=[sum_{i=1}^N alpha_t(i) a_{ij}] b_j(O_{t+1}) uchun t=1..T-1

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Hujjatlari

9 165

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