private void TournamentSelection(ref List <Individual> afterSelection, int outSize)
{
CollectionActions.Shuffle(populationOfSolutions); //zmniejszamy ryzyko wylosowania dwa razy tych samych
for (int i = 0; i < populationOfSolutions.Count - 2 && afterSelection.Count < outSize; i += 2) //porównujemy pary
{
afterSelection.Add(GetSelectedIndividual(i, i + 1));
}
}
private void PrepareBasicPopulation()
{
for (int i = 0; i < populationSize; i++)
{
List <int> clonedIndexes = CloneIndexesList(columnsIndexes);
CollectionActions.Shuffle(clonedIndexes);
populationOfSolutions.Add(new Individual(clonedIndexes, this));
}
}
internal void Mutate(float mutationPower)
{
Random rand = new Random();
int numberOfMutations = Convert.ToInt32(columnsPermutation.Count * mutationPower);
for (int i = 0; i < numberOfMutations; i++)
{
int index1 = 0;
int index2 = 0;
while (index1 == index2)
{
index1 = rand.Next(columnsPermutation.Count);
index2 = rand.Next(columnsPermutation.Count);
}
CollectionActions.Swap(columnsPermutation, index1, index2);
}
}
private string GetTransponedMatrix()
{
List <string> columns = new List <string>();
string outLine = "";
for (int column = 0; column < dataGridView1.Columns.Count; column++)
{
string outColumn = "";
for (int row = 0; row < dataGridView1.Rows.Count; row++)
{
outColumn += ValueInCell(column, row) + " ";
}
columns.Add(outColumn);
}
CollectionActions.Shuffle(columns); //Losowe mieszanie kolumn
foreach (string col in columns)
{
outLine += col + Environment.NewLine;
}
return(outLine);
}
