def __calculate_min_prob_rule_cell_probability(default_value, cell_probability: ProbabilityArrayCell,
parent_cell_1_probability: ProbabilityArrayCell,
parent_cell_2_probability: ProbabilityArrayCell,
rule: sRule):
if cell_probability == default_value:
cell_probability = ProbabilityArrayCell()
cell_probability.item_1 = min(min(rule.probability * parent_cell_1_probability.item_1),
parent_cell_2_probability.item_1)
cell_probability.item_2 = rule.probability * \
parent_cell_1_probability.item_2 * \
parent_cell_2_probability.item_2
else:
cell_probability.item_1 = max(cell_probability.item_1,
min(min(rule.probability), parent_cell_1_probability.item_1,
parent_cell_2_probability.item_1))
cell_probability.item_2 = cell_probability.item_2 + rule.probability * \
parent_cell_1_probability.item_2 * \
parent_cell_2_probability.item_2
return cell_probability
def __calculate_viterbi_rule_cell_probability(default_value, cell_probability: ProbabilityArrayCell,
parent_cell_1_probability: ProbabilityArrayCell,
parent_cell_2_probability: ProbabilityArrayCell,
rule: sRule):
if cell_probability == default_value:
cell_probability = ProbabilityArrayCell()
cell_probability.item_1 = math.log10(rule.probability) + \
parent_cell_1_probability.item_1 * parent_cell_2_probability.item_1
cell_probability.item_2 = (rule.probability *
parent_cell_1_probability.item_2 *
parent_cell_2_probability.item_2)
else:
cell_probability.item_1 = max(cell_probability.item_1, math.log10(parent_cell_1_probability.item_1 +
parent_cell_2_probability.item_1))
cell_probability.item_2 = cell_probability.item_2 + (rule.probability *
parent_cell_1_probability.item_2 *
parent_cell_2_probability.item_2)
return cell_probability
def __calculate_baum_welch_rule_cell_probability(default_value, cell_probability: ProbabilityArrayCell,
parent_cell_1_probability: ProbabilityArrayCell,
parent_cell_2_probability: ProbabilityArrayCell,
rule: sRule) -> ProbabilityArrayCell:
if cell_probability == default_value:
cell_probability = ProbabilityArrayCell()
cell_probability.item_1 = rule.probability * \
parent_cell_1_probability.item_1 * \
parent_cell_2_probability.item_1
cell_probability.item_2 = rule.probability * \
parent_cell_1_probability.item_2 * \
parent_cell_2_probability.item_2
else:
cell_probability.item_1 = cell_probability.item_1 + \
(rule.probability *
parent_cell_1_probability.item_1 *
parent_cell_2_probability.item_1)
cell_probability.item_2 = cell_probability.item_2 + \
(rule.probability *
parent_cell_1_probability.item_2 *
parent_cell_2_probability.item_2)
return cell_probability