Added some more links to the sparse vector definition.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403529

docs/docs/ml.xml

@@ -136,6 +136,11 @@ Davis E. King. <a href="http://www.jmlr.org/papers/volume10/king09a/king09a.pdf"
          <item>compute_mean_squared_distance</item> 
          <item>kernel_matrix</item> 
          <item>find_clusters_using_kmeans</item> 
+         <item>
+               <name>sparse vectors</name>
+               <link>dlib/svm/sparse_vector_abstract.h.html#sparse_vectors</link>
+         </item>
+
       </section>
 
     </top>  

docs/docs/term_index.xml

@@ -176,6 +176,8 @@
          <term file="ml.html" name="sigmoid_kernel"/>
          <term file="ml.html" name="radial_basis_kernel"/>
 
+
+         <term file="dlib/svm/sparse_vector_abstract.h.html" name="sparse_vectors"/>
          <term file="ml.html" name="sparse_linear_kernel"/>
          <term file="ml.html" name="sparse_polynomial_kernel"/>
          <term file="ml.html" name="sparse_sigmoid_kernel"/>