samer@0: package samer.mds;
samer@0: 
samer@0: /** city block or manhatten metricc */
samer@0: 
samer@0: public class Manhatten implements MDS.Metric {
samer@0: 	public double d(double [] x, double [] y, double [] r) {
samer@0: 		double a=0;
samer@0: 		for (int i=0; i<r.length; i++) { r[i]=y[i]-x[i]; a+=Math.abs(r[i]); }
samer@0: 		return a;
samer@0: 	}
samer@0: }