public static Tuple <Kromosom, Kromosom> Krizaj(Kromosom prvi, Kromosom drugi)
{
string x1 = prvi.x;
string x2 = drugi.x;
string y1 = prvi.y;
string y2 = drugi.y;
Random rand = new Random();
int tockaKriz = rand.Next(0, x1.Length);
string x3 = x1.Substring(0, tockaKriz) + x2.Substring(tockaKriz);
string x4 = x2.Substring(0, tockaKriz) + x1.Substring(tockaKriz);
tockaKriz = rand.Next(0, y1.Length);
string y3 = y1.Substring(0, tockaKriz) + y2.Substring(tockaKriz);
string y4 = y2.Substring(0, tockaKriz) + y1.Substring(tockaKriz);
Kromosom k1 = new Kromosom();
k1.x = x3;
k1.y = y3;
k1.Mutate();
k1.Funkcija();
Kromosom k2 = new Kromosom();
k2.x = x4;
k2.y = y4;
k2.Mutate();
k2.Funkcija();
Tuple <Kromosom, Kromosom> kromosomi = new Tuple <Kromosom, Kromosom>(k1, k2);
return(kromosomi);
}
private void button1_Click(object sender, EventArgs e)
{
sw = new System.Diagnostics.Stopwatch();
sw.Start();
Kromosom.duljina = Convert.ToInt32(textBox1.Text);
Kromosom.preciznost = Convert.ToInt32(textBox2.Text);
Kromosom.MutateP = Convert.ToInt32(textBox3.Text);
velicinaGeneracije = Convert.ToInt32(textBox4.Text);
brojGeneracija = Convert.ToInt32(textBox5.Text);
int faktorMutacije = Convert.ToInt32(textBox6.Text);
listView1.Items.Clear();
kromosomi = new Dictionary <int, Kromosom>();
for (int i = 0; i < velicinaGeneracije; i++)
{
Kromosom.MutateP += 1 * faktorMutacije;;
Kromosom kromosom = new Kromosom();
kromosom.Init();
while (kromosomi.ContainsKey(kromosom.Dobrota))
{
kromosom.Init();
}
kromosomi.Add(kromosom.Dobrota, kromosom);
}
evolution();
sw.Stop();
label10.Text = "t = " + ((double)sw.ElapsedMilliseconds / 1000).ToString() + " sec";
Kromosom max = kromosomi[kromosomi.Keys.Max()];
label1.Text = "x = " + max.X.ToString();
label2.Text = "y = " + max.Y.ToString();
label3.Text = "z = " + ((double)max.Dobrota / 10000000).ToString();
}
private void evolution()
{
int maxTrajanje = Convert.ToInt32(textBox7.Text) * 1000;
Random rand = new Random();
for (int i = 0; i < brojGeneracija; i++)
{
Dictionary <int, Kromosom> sorted = (from krom in kromosomi orderby krom.Key ascending select krom).ToDictionary(pair => pair.Key, pair => pair.Value);
Dictionary <int, Kromosom> tmp = new Dictionary <int, Kromosom>();
int lowValue = 1;
int totalValue = 0;
foreach (var nes in sorted)
{
totalValue += lowValue;
tmp.Add(totalValue, nes.Value);
lowValue += 1;
}
Kromosom najbolji = sorted.Last().Value;
sorted = new Dictionary <int, Kromosom>();
sorted.Add(najbolji.Dobrota, najbolji);
while (sorted.Count != velicinaGeneracije)
{
int rand1;
int rand2;
do
{
rand1 = rand.Next(0, totalValue);
rand2 = rand.Next(0, totalValue);
}while (rand1 == rand2);
Kromosom k1 = null;
Kromosom k2 = null;
foreach (var nes in tmp)
{
if (nes.Key > rand1 && k1 == null)
{
k1 = nes.Value;
}
if (nes.Key > rand2 && k2 == null)
{
k2 = nes.Value;
}
}
Tuple <Kromosom, Kromosom> tmpKromi = Kromosom.Krizaj(k1, k2);
try
{
sorted.Add(tmpKromi.Item1.Dobrota, tmpKromi.Item1);
if (sorted.Count == velicinaGeneracije)
{
break;
}
}
catch { }
try
{
sorted.Add(tmpKromi.Item2.Dobrota, tmpKromi.Item2);
if (sorted.Count == velicinaGeneracije)
{
break;
}
}
catch { }
if (sw.ElapsedMilliseconds > maxTrajanje && maxTrajanje != 0)
{
return;
}
}
ListViewItem red = new ListViewItem();
red.Text = i.ToString();
foreach (var nes in kromosomi)
{
red.SubItems.Add("x=" + nes.Value.X.ToString() + ", y=" + nes.Value.Y.ToString() + ", z=" + nes.Value.Z.ToString());
}
listView1.Items.Add(red);
kromosomi = sorted;
}
}