pointplus.java

来自「产生式系统中旅行商问题的求解」· Java 代码 · 共 13 行

public class PointPlus
{
  double x;double y;
  
 public PointPlus(double i,double j)
 {x=i;y=j;}
 
 public static double distance(PointPlus a,PointPlus b)
 {return(java.lang.Math.sqrt(java.lang.Math.abs((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y))));}
 
 
}