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rollbackEdits.php mass rollback
<tex>\mathrm{Viterbi}(\mathtt {O}, \mathtt {S}, \mathtt {P} , \mathtt {Y}, \mathtt {A}, \mathtt {B})</tex>
'''for''' <tex>\mathtt{j} = 1</tex> '''to''' <tex>\mathtt {K}</tex>
<tex>\mathtt{TState}[\mathtt{ij}, 1] = \mathtt{P}[\mathtt{ij}] * \mathtt{B}[\mathtt{ij}, \mathtt{Y}[1]]</tex> <tex>\mathtt{TIndex}[\mathtt{ij}, 1] = 0</tex>
'''for''' <tex>\mathtt{i} = 2</tex> '''to''' <tex>\mathtt {T}</tex>
'''for''' <tex>\mathtt{j} = 1</tex> '''to''' <tex>\mathtt {K}</tex>
<tex>\mathtt{TIndex}[\mathtt{j}, \mathtt{i}] = \arg\max_{1 \leqslant \mathtt{k}\leqslant in \mathtt{K}} \limits : (\mathtt{TState}[\mathtt{k}, \mathtt{i} - 1] * \mathtt{A}[\mathtt{k}, \mathtt{j}] * \mathtt{B}[\mathtt{j}, \mathtt{Y}[\mathtt{i}]])</tex> ''<font color=green>// функция arg \leadsto \max() возвращает аргумент(в нашем случае <tex>\mathtt{k}</tex>), при котором достигается этот максимум</font>''
<tex>\mathtt{TState}[\mathtt{j}, \mathtt{i}] = \mathtt{TState}[\mathtt{TIndex}[\mathtt{j}, \mathtt{i}], \mathtt{i} - 1] * \mathtt{A}[\mathtt{k}, \mathtt{j}] * \mathtt{B}[\mathtt{j}, \mathtt{Y}[\mathtt{i}]]</tex>
<tex>\mathtt{X}[\mathtt{T}] = \arg\max_{1 \leqslant \mathtt{k}\leqslant \mathtt{K}} \limits (\mathtt{TState}[\mathtt{k}, \mathtt{T}])</tex>
