* Started a tutorial page for sparse matrix.
* Updated Mainpage.dox's directives used by kde's scripts
diff --git a/doc/TutorialGeometry.dox b/doc/TutorialGeometry.dox
index b304997..b3c860d 100644
--- a/doc/TutorialGeometry.dox
+++ b/doc/TutorialGeometry.dox
@@ -7,6 +7,7 @@
   | \ref TutorialCore "Core features"
   | \b Geometry
   | \ref TutorialAdvancedLinearAlgebra "Advanced linear algebra"
+  | \ref TutorialSparse "Sparse matrix"
 </div>
 
 In this tutorial chapter we will shortly introduce the many possibilities offered by the \ref GeometryModule "geometry module",