public void Update(int t, double delta, double gamma, Iris iris)
{
for (int i = 0; i < size; ++i)
{
weights[i] = weights[i] + delta * gamma * (iris.Parameters[i] - weights[i]);
}
}
public void SetDistance(Iris iris)
{
for (int i = 0; i < weights.Count(); ++i)
{
currentDistance += Math.Pow(iris.Parameters[i] - weights[i], 2);
}
currentDistance = Math.Sqrt(currentDistance);
}
public void SetDistance(Iris iris)
{
for (int i = 0; i < size; ++i)
{
for (int j = 0; j < size; ++j)
{
nodes[i, j].SetDistance(iris);
}
}
}
public void InsertIris(Iris iris)
{
SetDistance(iris);
Point point = GetCoordinatesOfMinimumDistance();
/*while(nodes[point.X,point.Y].Objects.Count == 6)
* {
* nodes[point.X, point.Y].CurrentDistance = 100;
* point = GetCoordinatesOfMinimumDistance();
* }*/
nodes[point.X, point.Y].AddElement(iris);
}
public void WeightUpdate(int t, Iris iris)
{
double gammat = GetGamma(t);
network.SetDistance(iris);
Point winner = network.GetCoordinatesOfMinimumDistance();
Point looser = new Point();
for (int i = 0; i < network.Size; ++i)
{
for (int j = 0; j < network.Size; ++j)
{
looser.SetPoint(i, j);
double deltat = GetDelta(winner, looser, t, WebType.square);
network[i, j].Update(t, deltat, gammat, iris);
}
}
}
static void Main(string[] args)
{
string path = @"IrisDataAll.txt";
List <Iris> refIrisList = Iris.prepareIrisDataFromTextFile(path);
List <Iris> temporaryList = new List <Iris>();
SOM som = new SOM(7, 5, 1, 1000, refIrisList);
int numOfIteration = 3000;
int index = 0;
Random rand = new Random();
som.Print();
for (int i = 0; i < numOfIteration; ++i)
{
Console.WriteLine("Numer iteracji: {0}", i);
int j = 0;
while (refIrisList.Count != 0)
{
index = rand.Next(refIrisList.Count);
som.WeightUpdate(j, refIrisList[index]);
temporaryList.Add(refIrisList[index]);
refIrisList.Remove(refIrisList[index]);
//som.Print();
++j;
}
refIrisList = new List <Iris>(temporaryList);
temporaryList.Clear();
//som.Print();
}
som.AssignIris(refIrisList);
Console.WriteLine("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
som.PrintWithIris();
Console.ReadLine();
}
public void AddElement(Iris iris)
{
objects.Add(iris);
}