]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Link in step-37.
authorMartin Kronbichler <kronbichler@lnm.mw.tum.de>
Mon, 5 Oct 2009 08:45:35 +0000 (08:45 +0000)
committerMartin Kronbichler <kronbichler@lnm.mw.tum.de>
Mon, 5 Oct 2009 08:45:35 +0000 (08:45 +0000)
git-svn-id: https://svn.dealii.org/trunk@19705 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/doc/doxygen/tutorial/navbar.html
deal.II/doc/doxygen/tutorial/toc.html
deal.II/examples/step-37/doc/intro.dox

index ebcfed7f46c5adf8d775dcdf7958944eb29e50fc..85d2ee89ef8e22f6d76d740d179a59baa17aaf3a 100644 (file)
@@ -63,7 +63,8 @@
          <a href="../../doxygen/deal.II/step_33.html" target="body">33</a>&nbsp;
          <a href="../../doxygen/deal.II/step_34.html" target="body">34</a>&nbsp;
          <a href="../../doxygen/deal.II/step_35.html" target="body">35</a><br />
-         <a href="../../doxygen/deal.II/step_36.html" target="body">36</a>
+         <a href="../../doxygen/deal.II/step_36.html" target="body">36</a>&nbsp;
+         <a href="../../doxygen/deal.II/step_37.html" target="body">37</a>
        </p>
 
        <hr>
index e866ab4311e675674f3365a0bfca1ca0cef85de8..5a2d3a6319920a8fc87bcdfef0fa3af1a672089e 100644 (file)
@@ -273,7 +273,7 @@ the <a href="../../doxygen/deal.II/group__geodynamics.html">geodynamics
 
   <tr valign="top">
       <td><a href="../../doxygen/deal.II/step_35.html">Step-35</a></td>
-      <td> A projection solver for the Navier-Stokes equations.
+      <td> A projection solver for the Navier&ndash;Stokes equations.
       </td></tr>
 
   <tr valign="top">
@@ -281,6 +281,12 @@ the <a href="../../doxygen/deal.II/group__geodynamics.html">geodynamics
       <td> Using SLEPc for linear algebra; solving an eigenspectrum
       problem. The Schr&ouml;dinger wave equation.
       </td></tr>
+
+  <tr valign="top">
+      <td><a href="../../doxygen/deal.II/step_37.html">Step-37</a></td>
+      <td> Implementing matrix-vector products without explicitly 
+      storing the matrix elements (a matrix-free method).
+      </td></tr>
 </table>
 
 
@@ -441,7 +447,8 @@ by topic:
 
   <tr>
     <td></td>
-    <td><a href="../../doxygen/deal.II/step_16.html">Step-16</a></td>
+    <td><a href="../../doxygen/deal.II/step_16.html">Step-16</a>,
+        <a href="../../doxygen/deal.II/step_37.html">Step-37</a></td>
     <td> Multilevel preconditioners
     </td>
   </tr>
@@ -486,7 +493,8 @@ by topic:
   <tr valign="top">
     <td><b></b></td>
     <td><a href="../../doxygen/deal.II/step_16.html">Step-16</a>,
-        <a href="../../doxygen/deal.II/step_31.html">Step-31</a></td>
+        <a href="../../doxygen/deal.II/step_31.html">Step-31</a>,
+        <a href="../../doxygen/deal.II/step_37.html">Step-37</a></td>
     <td> Multilevel preconditioners
     </td>
   </tr>
index 381a779dca7b08a26ee90d2ffbf68fb0499acbe7..b9f5aa6de6cce640daee9d34b9dbb3448848c606 100644 (file)
@@ -122,9 +122,10 @@ assembly of matrices.
 If we are to perform a matrix-vector product, we can hence use that
 @f{eqnarray*}
 y &=& A\cdot x = \left(\sum_{\text{cell}=1}^{\mathrm{n\_cells}} P_\mathrm{cell,{loc-glob}}^T
-A_\mathrm{cell} P_\mathrm{cell,{loc-glob}}\right) \cdot x\\
+A_\mathrm{cell} P_\mathrm{cell,{loc-glob}}\right) \cdot x
+\\
 &=& \sum_{\mathrm{cell}=1}^{\mathrm{n\_cells}} P_\mathrm{cell,{loc-glob}}^T
-A_\mathrm{cell} x_\mathrm{cell},
+A_\mathrm{cell} x_\mathrm{cell}
 \\
 &=& \sum_{\mathrm{cell}=1}^{\mathrm{n\_cells}} P_\mathrm{cell,{loc-glob}}^T
 y_\mathrm{cell},

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