Operations.java

import java.lang.Math;
public class Operations extends Vector
{
 public Operations(int xI, int yI){
 super(xI, yI);
 }
 
 public int dot(Vector a)
 {
 return (super.x * a.x) + (super.y * a.y);
 }
 
 public double magnitude(){
 double len = Math.sqrt( Math.pow(super.x, 2) + Math.pow(super.y, 2) );
 super.display();
 return len;
 }
 
 public double[] convertToPolar(){
 double theta = Math.atan(super.y/super.x) * (180.0/Math.PI);
 double radius = Math.sqrt( Math.pow(super.x,2) + Math.pow(super.y, 2) );
 if(super.x > 0){
 if(super.y < 0){
 theta = theta + 360;
 }
 } else {
 theta = theta + 180;
 }
 
 double[] polar = {radius,theta};
 return polar;
 }
}