Author: luc Date: Sat Apr 25 19:39:38 2009 New Revision: 768591 URL: http://svn.apache.org/viewvc?rev=768591&view=rev Log: added javadoc
Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/SparseRealVector.java Modified: commons/proper/math/trunk/src/java/org/apache/commons/math/linear/SparseRealVector.java URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/java/org/apache/commons/math/linear/SparseRealVector.java?rev=768591&r1=768590&r2=768591&view=diff ============================================================================== --- commons/proper/math/trunk/src/java/org/apache/commons/math/linear/SparseRealVector.java (original) +++ commons/proper/math/trunk/src/java/org/apache/commons/math/linear/SparseRealVector.java Sat Apr 25 19:39:38 2009 @@ -467,6 +467,14 @@ return entries.get(index); } + /** + * Distance between two vectors. + * <p>This method computes the distance consistent with + * L<sub>1</sub> norm, i.e. the sum of the absolute values of + * elements differences.</p> + * @param v vector to which distance is requested + * @return distance between two vectors. + */ public double getL1Distance(SparseRealVector v) { double max = 0; Iterator iter = entries.iterator();