package matriz;

public class Vector {
    public int n;      //dimensión
    double[] x;
    public Vector(int n) {
        this.n=n;
        x=new double[n];
        for(int i=0; i<n; i++){
            x[i]=0.0;
        }
    }
    public Vector(double[] x) {
        this.x=x;
        n=x.length;
    }
    public static double productoEscalar(Vector a, Vector b){
        double resultado=0.0;
        for(int i=0; i<a.n; i++){
            resultado+=a.x[i]*b.x[i];
        }
        return resultado;
    }
    public double modulo(){
        return Math.sqrt(productoEscalar(this, this));
    }
    public String toString(){
        String texto=" ";
        for(int i=0; i<n; i++){
            texto+="\t "+(double)Math.round(1000*x[i])/1000;
        }
        texto+="\n";
        return texto;
  }

}