7. แถวลำดับ

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รหัสที่ 7-18  เมท็อดหารากของสมการ ax2 + bx + c = 0 (แบบที่ 2) 
  public static double[] quadraticRoot(double a,double b,double c){
    double t = Math.sqrt(b*b - 4*a*c);  
    double[] root = new double[2];
    root[0] = (-b + t)/(2*a);
    root[1] = (-b - t)/(2*a);
    return root;
  }
©2009 S.Prasitjutrakul