public override double Eval(InputValues inputs, AggregationMethod method)
{
return
(method.OrOper(
leftPredicate.Eval(inputs, method),
rightPredicate.Eval(inputs, method)));
}
public FuzzyInferenceSystem(
KnowledgeBase kb,
Func <FuzzySet <double>, IEnumerable <double>, double> defuzzification,
AggregationMethod method)
{
KB = kb;
Defuzzification = defuzzification;
Method = method;
}
public FuzzySet Eval(InputValues inputs, AggregationMethod method)
{
var antecedentVal = antecedent.Eval(inputs, method);
return(new FuzzySet(
AggregationMethod.Combine(
method.ImplicationOper,
consecuent.Membership,
x => antecedentVal)));
}
public double Compute(InputValues inputs)
{
if (!KB.CheckIntegrity(out var outputvarname))
{
throw new ArgumentException("Invalid KnowledgeBase");
}
var aggregation = KB.First().Eval(inputs, Method);
var rules = KB.Skip(1);
foreach (var rule in rules)
{
var ruleSet = rule.Eval(inputs, Method);
aggregation = new FuzzySet(
AggregationMethod.Combine(
Method.AggregationOper,
aggregation.Membership,
ruleSet.Membership));
}
return(Defuzzification(aggregation, KB.GetVar(outputvarname).Universe));
}
public override double Eval(InputValues inputs, AggregationMethod method)
{
return(fs.Membership(inputs[varName]));
}
public abstract double Eval(InputValues inputs, AggregationMethod method);