/// <summary>
/// f*ck thic piece of code in particular
/// </summary>
/// <param name="trenutni"></param>
/// <param name="ukupno"></param>
/// <param name="s"></param>
//public void uci(int trenutni, int ukupno, TrainingSeq[] s)
//{
// if (trenutni < ukupno)
// {
// double pom1, pom2;
// pom1 = pom2 = 0;
// double suma = 0;
// for (int i = 0; i < s.Length; i++)
// {
// suma = -1.0*(w1 * s[i].x + w2 * s[i].y);
// double exponent = Math.Exp(suma);
// double expF = Math.Pow(1 + exponent, -1);
// double p = Math.Pow(expF, 2);
// double q = Math.Pow(expF, 3);
// pom1 += (s[i].rez + 1) * (p + q) * exponent * s[i].x / s.Length;
// pom2 += (s[i].rez + 1) * (p + q) * exponent * s[i].y / s.Length;
// suma = 0;
// }
// w1 -= 2 * 0.001 * pom1;
// w2 -= 2 * 0.001 * pom2;
// pom1 = pom2 = 0;
// //NE KORISTITI OVO
// //NIKAAAAAAAADDDD!!!
// //JASGDKHJASGXDKHASCVLASCVFASYHFcv
// }
//}
public void uci2(int trenutno, int ukupno, TrainingSeq[] s)
{
double greska = 1;
while (greska > 0.0001)
{
double d1, d2;
d1 = d2 = 0;
for (int i = 0; i < s.Length; i++)
{
double rezi = 1 / (1 + Math.Exp(-1 * (w1 * s[i].x + w2 * s[i].y)));
greska = s[i].rez - rezi;
d1 += greska * s[i].x;
d2 += greska * s[i].y;
}
w1 = w1 + 0.0001 * d1;
w2 = w2 + 0.0001 * d2;
}
}
static void Main(string[] args)
{
Random r = new Random();
TrainingSeq[] s = new TrainingSeq[1000];
for (int i = 0; i < 1000; i++)
{
int x = r.Next(0, 10);
int y = r.Next(0, 10);
while (y == x) y = r.Next(0, 10);
int rez;
if (x > y) rez = 1; else rez = 0;
s[i] = new TrainingSeq(x, y, rez);
}
Perceptron p = new Perceptron();
p.uci2(1, 100, s);
Console.WriteLine("Tezina w1: " + p.w1);
Console.WriteLine("Tezina w1: " + p.w2);
Console.WriteLine("Pritisnite bilo koje dugme");
Console.ReadLine();
int brojac = 0;
for (int i = 0; i < 100; i++)
{
int x = r.Next(0, 10);
int y = r.Next(0, 10);
while (y == x) y = r.Next(0, 100);
int control;
if (x > y) control = 1; else control = 0;
int vecemanje = p.rezultat(x, y);
if (control == vecemanje)
brojac++;
Console.WriteLine("X: {0} Y: {1} X>Y: {2}", x, y, vecemanje);
}
Console.WriteLine("Procentualno pogodjeno: " + brojac + "%");
Console.ReadLine();
}
