void AddSugenoFuzzyRule(
SugenoFuzzySystem fs,
FuzzyVariable fv1,
FuzzyVariable fv2,
SugenoVariable sv,
string value1,
string value2,
string result)
{
SugenoFuzzyRule rule = fs.EmptyRule();
rule.Condition.Op = OperatorType.And;
rule.Condition.ConditionsList.Add(rule.CreateCondition(fv1, fv1.GetTermByName(value1)));
rule.Condition.ConditionsList.Add(rule.CreateCondition(fv2, fv2.GetTermByName(value2)));
rule.Conclusion.Var = sv;
rule.Conclusion.Term = sv.GetFuncByName(result);
fs.Rules.Add(rule);
}
/// <summary>
/// Combine results of functions and rule evaluation
/// </summary>
/// <param name="ruleWeights">Rule weights (results of evaluation)</param>
/// <param name="functionResults">Result of functions evaluation</param>
/// <returns>Result of calculations</returns>
public Dictionary <SugenoVariable, double> CombineResult(Dictionary <SugenoFuzzyRule, double> ruleWeights, Dictionary <SugenoVariable, Dictionary <ISugenoFunction, double> > functionResults)
{
Dictionary <SugenoVariable, double> numerators = new Dictionary <SugenoVariable, double>();
Dictionary <SugenoVariable, double> denominators = new Dictionary <SugenoVariable, double>();
Dictionary <SugenoVariable, double> results = new Dictionary <SugenoVariable, double>();
//
// Calculate numerator and denominator separately for each output
//
foreach (SugenoVariable var in Output)
{
numerators.Add(var, 0.0);
denominators.Add(var, 0.0);
}
foreach (SugenoFuzzyRule rule in ruleWeights.Keys)
{
SugenoVariable var = rule.Conclusion.Var;
double z = functionResults[var][rule.Conclusion.Term];
double w = ruleWeights[rule];
numerators[var] += z * w;
denominators[var] += w;
}
//
// Calculate the fractions
//
foreach (SugenoVariable var in Output)
{
if (denominators[var] == 0.0)
{
results[var] = 0.0;
}
else
{
results[var] = numerators[var] / denominators[var];
}
}
return(results);
}
