Java : Contoh Script Algoritma Delta Rule ~ Jaringan Saraf Tiruan (JST)

/**
 *
 * @author x86
 */
package c0der;

class deltaRule{
    final double alfa=0.2;
    final double teta=0.5;
    //double output[]=new double[target.length];
    double output[];
    //double eror[]=new double[inputan.length];
    double eror[];
    boolean kondisi;
    double bobot[]={0.1,0.3};
    int epoh;
    double y, yOut;

    void learn(double[][] inputan,double[] target){
        output = new double[target.length];
        eror = new double[inputan.length];
        kondisi=false;
        epoh=0;
        do{
            System.out.println(++epoh);
            for(int a=0; a<inputan.length; a++){
                //pencarian nilai output
                yOut=0;
                for(int b=0; b<inputan[0].length; b++){
                  yOut+=inputan[a][b]*bobot[b];
                }

                //pergantian bobot jika antara target dan output belum sesuai
                for(int b=0; b<inputan[0].length; b++){
                    //pengaktifan biner
                    if(yOut<=teta){
                      output[a]=0;
                    }else{
                      output[a]=1;
                    }
                    eror[a]=target[a]-output[a];
                    bobot[b]+=alfa*inputan[a][b]*eror[a];
                }
            }

            //penetuan kondisi
            int x=0;
            for(int b=0; b<target.length; b++){
                if(output[b]!=target[b]){
                  x++;
                }
            }
            if(x==0) kondisi=true;
            //jika sistem tidak bisa melakukan pembelajaran
            if(epoh==10000){
                System.out.println("I Dont Know This...");
                kondisi=true;
            }
        }
        while(kondisi==false);
    }

    void test(double in1,double in2){
        y=in1*bobot[0]+in2*bobot[1];
        if(y<=teta){
            y=0;
        }else{
            y=1;
        }
        System.out.println((int)in1+" "+(int)in2+" "+(int)y);
    }
    
    public static void main(String haripinter[]){
        deltaRule delta = new deltaRule();
        double data[][] = {{1,1},{1,0},{0,1},{0,0}};
        double target[] = {1,1,1,0};
        delta.learn(data, target);
        
        delta.test(1, 1);
        delta.test(0, 1);
        delta.test(1, 0);
        delta.test(0, 0);
    }
}