public static IFuzzySet Lambda(IDomain domain, params double[] points)
{
double[] memberships = new double[domain.GetCardinality()];
for (int index = 0; index < domain.GetCardinality(); index++)
{
double value = (double)domain.ElementAt(index)[0];
if (value <= points[0])
{
memberships[index] = 0;
}
else if (value >= points[2])
{
memberships[index] = 0;
}
else if (value > points[0] && value < points[1])
{
memberships[index] = (value - points[0]) / (points[1] - points[0]);
}
else
{
memberships[index] = (points[2] - value) / (points[2] - points[1]);
}
}
return(FuzzySetFactory.CreateFuzzySet(domain, memberships));
}
public IFuzzySet Fuzzyfie(string[] value, IDomain domain)
{
IList <double> memberships = new List <double>(new double[domain.GetCardinality()]);
memberships[domain.GetIndexOfElement(domain.FromStringRepresentation(value))] = 1;
return(FuzzySetFactory.CreateFuzzySet(domain, memberships));
}
public FuzzySet(IDomain domain, IDictionary <string[], double> memberships)
{
this.domain = domain;
this.memberships = new List <double>(new double[domain.GetCardinality()]);
foreach (var membership in memberships)
{
this.memberships[domain.GetIndexOfElement(domain.FromStringRepresentation(membership.Key))] = membership.Value;
}
}
public FuzzySet(IDomain domain, IDictionary<string[], double> memberships)
{
this.domain = domain;
this.memberships = new List<double>(new double[domain.GetCardinality()]);
foreach (var membership in memberships)
{
this.memberships[domain.GetIndexOfElement(domain.FromStringRepresentation(membership.Key))] = membership.Value;
}
}
public static IFuzzySet L(IDomain domain, params int[] points)
{
double[] memberships = new double[domain.GetCardinality()];
for (int index = 0; index < domain.GetCardinality(); index++)
{
int value = (int)domain.ElementAt(index)[0];
if (value <= points[0])
{
memberships[index] = 1;
}
else if (value >= points[1])
{
memberships[index] = 0;
}
else
{
memberships[index] = (double)(points[1] - value) / (points[1] - points[0]);
}
}
return FuzzySetFactory.CreateFuzzySet(domain, memberships);
}
public IFuzzySet CylindricalExtension(IDomain domain)
{
int other = this.domain.GetDomainComponents().Contains(domain.GetDomainComponents()[0]) ? domain.GetDomainComponents().Count() - 1 : 0;
IList<double> memberships = new List<double>();
for (int i = 0; i < domain.GetCardinality(); i++)
{
IList<object> element = domain.ElementAt(i).ToList();
element.RemoveAt(other);
memberships.Add(this.GetMembershipFor(element.ToArray()));
}
return new FuzzySet(domain, memberships);
}
public IFuzzySet CylindricalExtension(IDomain domain)
{
int other = this.domain.GetDomainComponents().Contains(domain.GetDomainComponents()[0]) ? domain.GetDomainComponents().Count() - 1 : 0;
IList <double> memberships = new List <double>();
for (int i = 0; i < domain.GetCardinality(); i++)
{
IList <object> element = domain.ElementAt(i).ToList();
element.RemoveAt(other);
memberships.Add(this.GetMembershipFor(element.ToArray()));
}
return(new FuzzySet(domain, memberships));
}
public static void Print(IDomain domain, string headingText) //metoda za ispis elemenata domene
{
if (headingText != null)
{
Console.WriteLine(headingText);
}
foreach (DomainElement e in domain)
{
Console.WriteLine("Element domene: " + e);
}
Console.WriteLine("Kardinalitet domene je: " + domain.GetCardinality());
Console.WriteLine();
}
private static void PrintDomain(IDomain domain, string headingText = "")
{
if (!string.IsNullOrEmpty(headingText))
{
Console.WriteLine(headingText);
}
foreach (DomainElement de in domain)
{
Console.WriteLine($"Element of domain: ({de})");
}
Console.WriteLine($"Domain cardinality is: {domain.GetCardinality()}");
Console.WriteLine();
}
public IFuzzySet Calculate(IFuzzySet first, IFuzzySet second)
{
IList <double> memberships = new List <double>();
IDomain domain = DomainFactory.CreateDomain(new IDomain[] { first.GetDomain(), second.GetDomain() });
IFuzzySet firstCyl = first.CylindricalExtension(domain);
IFuzzySet secondCyl = second.CylindricalExtension(domain);
for (int i = 0; i < domain.GetCardinality(); i++)
{
double value1 = firstCyl.GetMembershipFor(domain.ElementAt(i));
double value2 = secondCyl.GetMembershipFor(domain.ElementAt(i));
memberships.Add(value1 * value2);
}
return(FuzzySetFactory.CreateFuzzySet(domain, memberships));
}
public IFuzzySet Calculate(IFuzzySet first, IFuzzySet second)
{
if (!first.GetDomain().Equals(second.GetDomain()))
{
throw new ApplicationException("Domains are not the same.");
}
IList <double> memberships = new List <double>();
IDomain domain = first.GetDomain();
for (int i = 0; i < domain.GetCardinality(); i++)
{
double value1 = first.GetMembershipFor(domain.ElementAt(i));
double value2 = second.GetMembershipFor(domain.ElementAt(i));
memberships.Add(value1 + value2 - value1 * value2);
}
return(FuzzySetFactory.CreateFuzzySet(domain, memberships));
}
public MutableFuzzySet(IDomain domain)
{
_domain = domain;
_memberships = new double[domain.GetCardinality()];
}