private static void SolveTaskForStream(StreamWriter stream, FuzzyRelation relation, string name)
{
stream.WriteLine(new string('~', 10) + name + new string('~', 10) + "\n" + relation);
stream.WriteLine("GetStrongPreferenceRelation:\n" + relation.GetStrongPreferenceRelation());
stream.WriteLine("GetSetOfNonDominatedAlternatives:\n" +
relation.GetSetOfNonDominatedAlternatives()
.Aggregate("", (seed, val) => seed += val + "\t"));
stream.WriteLine("Most non-dominated alternative: \n" + relation.GetMostNonDominatedAlternatives() + "\n");
}
public static FuzzyRelation MinMaxComposition(FuzzyRelation first, FuzzyRelation second)
{
var firstCount = first._relation.Length;
var secondCount = second._relation[0].Length;
var result = new double[firstCount][];
for (var i = 0; i < firstCount; i++)
{
result[i] = new double[secondCount];
for (var j = 0; j < secondCount; j++)
{
var firstRow = first._relation[i];
var secondColumn = second._relation.Select(ar => ar[j]).ToArray();
result[i][j] = Max(firstRow, secondColumn).Min();
}
}
return new FuzzyRelation(result);
}
public bool IsIn(FuzzyRelation other)
{
for (var i = 0; i < _relation.Length; i++)
{
for (var j = 0; j < _relation[i].Length; j++)
{
if (_relation[i][j] > other._relation[i][j])
return false;
}
}
return true;
}