Added LinearOperator to tutorial topics

diff --git a/doc/doxygen/tutorial/tutorial.h.in b/doc/doxygen/tutorial/tutorial.h.in
index 7a5f7a1f81a24ef1177698c92a1ee89c47c5ab6e..a1ea3d197a02fbd5256af87edc84c17daf40e5eb 100644 (file)
--- a/doc/doxygen/tutorial/tutorial.h.in
+++ b/doc/doxygen/tutorial/tutorial.h.in
@@ -747,6 +747,12 @@
  *     <td>step-36</td>
  *   </tr>
  *
+ *   <tr valign="top">
+ *     <td> Linear operators
+ *     </td>
+ *     <td>step-44</td>
+ *   </tr>
+ *
  * </table>
  * <h4><b>Other equations</b></h4>
  * <table align="center" width="90%">