Algoritma Hebian

Program Jaringan Syaraf Tiruan ( Algoritma Hebbian )

File Hebb.java

public class Hebb {
    private int[][] inputData;
    private int[] weights;
    private int[] targets;
    private int bias;
    private int output;

    public Hebb(){
        defineWeights();
        defineBias();
        defineInputData();
        defineTargets();
        printData();
        printBobotAwal();
        modificationWeight();
    }

    private void printBobotAwal(){
        System.out.println("Bobot awal dan bias : "+weights[0]+" "+weights[1]+" "+bias);
    }

    public void recognize(int x1, int x2){
        int net = 0;
        net = x1 * weights[0] + x2 * weights[1] + bias;
        System.out.println("input "+x1+" dan "+x2+" hasilnya "+ fungsiAktifasi(net));
    }

    private int fungsiAktifasi(int net){
        if(net>=0)return 1;
        else return -1;
    }

    private void printData(){
        System.out.print("Data inputan : \n");
        System.out.print(" x1 x2 t \n");
        for(int i=0;i<4;i++){
            for(int j=0;j<2;j++){
                System.out.print(" "+inputData[i][j]);
            }
            System.out.print(" "+targets[i]+"\n");
        }
        System.out.println();
    }

    private void modificationWeight(){
        System.out.println("Hitung bobot : x1 x2 bias ");
        for(int i=0;i<4;i++){
            System.out.print("Bobot baru : ");
            for(int j=0;j<2;j++){
                weights[j] = weights[j] + targets[i] * inputData[i][j];
                System.out.print(" "+weights[j]);
            }
            bias = bias + targets[i];
            System.out.print(" "+bias+"\n");
        }

    }

    private void defineWeights(){
        weights = new int[2];
        for(int i=0;i
            weights[i] = 0;
        }
    }

    private void defineBias(){
        bias = 0;
    }

    private void defineTargets(){
        targets = new int[4];

        targets[0] = -1;
        targets[1] = -1;
        targets[2] = -1;
        targets[3] = 1;
    }

    private void defineInputData(){
        inputData = new int[4][2];

        inputData[0][0] = -1;
        inputData[0][1] = -1;
        inputData[1][0] = -1;
        inputData[1][1] = 1;
        inputData[2][0] = 1;
        inputData[2][1] = -1;
        inputData[3][0] = 1;
        inputData[3][1] = 1;
    }

}

Main.java

public class Main {
    public static void main(String[] args) {
      Hebb h = new Hebb();
      h.recognize(-1, -1);
    h.recognize(-1, 1);
    h.recognize(1, -1);
    h.recognize(1, 1);
    }
}