updated docs

docs/docs/linear_algebra.xml

@@ -651,6 +651,10 @@
             <name>make_sparse_vector</name>
             <link>dlib/svm/sparse_vector_abstract.h.html#make_sparse_vector</link>
          </item> 
+         <item>
+            <name>make_sparse_vector_inplace</name>
+            <link>dlib/svm/sparse_vector_abstract.h.html#make_sparse_vector_inplace</link>
+         </item> 
          <item>
             <name>sparse_matrix_vector_multiply</name>
             <link>dlib/svm/sparse_vector_abstract.h.html#sparse_matrix_vector_multiply</link>

docs/docs/term_index.xml

@@ -257,6 +257,8 @@
             <term link="dlib/svm/ranking_tools_abstract.h.html#max_index_plus_one" name="for ranking_pairs"/>
          </term>
          <term file="dlib/svm/sparse_vector_abstract.h.html" name="sparse_matrix_vector_multiply"/>
+         <term file="dlib/svm/sparse_vector_abstract.h.html" name="make_sparse_vector"/>
+         <term file="dlib/svm/sparse_vector_abstract.h.html" name="make_sparse_vector_inplace"/>
          <term file="dlib/svm/sparse_vector_abstract.h.html" name="add_to"/>
          <term file="dlib/svm/sparse_vector_abstract.h.html" name="subtract_from"/>
          <term file="dlib/svm/sparse_vector_abstract.h.html" name="assign"/>