public class geoNeuron{		public double x,y;	public double wx,wy;	public int update,choose;		public geoNeuron(double x,double y){		this.x = x;		this.y = y;				this.wx = Math.random();		this.wy = Math.random();				update = 0;		choose = 0;			}		public double dist(geoNeuron c){		double dx = this.x - c.x;		double dy = this.y - c.y;				return Math.sqrt(dx*dx + dy*dy);			}		public double wdist(geoNeuron c){		double dx = this.wx - c.wx;		double dy = this.wy - c.wy;				return Math.sqrt(dx*dx + dy*dy);			}}