From 3dca4a1efc66d5fce6a6aada7cd7cc248ca8ae40 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 4 Mar 2015 09:35:30 +0100
Subject: [PATCH] Update manual wrt new LSCG solver.

---
 Eigen/Sparse                | 6 +++---
 doc/SparseLinearSystems.dox | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Eigen/Sparse b/Eigen/Sparse
index 7cc9c0913..a540f0eec 100644
--- a/Eigen/Sparse
+++ b/Eigen/Sparse
@@ -11,9 +11,9 @@
   * - \ref SparseQR_Module
   * - \ref IterativeLinearSolvers_Module
   *
-  * \code
-  * #include <Eigen/Sparse>
-  * \endcode
+    \code
+    #include <Eigen/Sparse>
+    \endcode
   */
 
 #include "SparseCore"
diff --git a/doc/SparseLinearSystems.dox b/doc/SparseLinearSystems.dox
index 147b55376..13741280a 100644
--- a/doc/SparseLinearSystems.dox
+++ b/doc/SparseLinearSystems.dox
@@ -21,6 +21,9 @@ They are summarized in the following table:
 <tr><td>ConjugateGradient</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>Classic iterative CG</td><td>SPD</td><td>Preconditionning</td>
     <td>built-in, MPL2</td>
     <td>Recommended for large symmetric problems (e.g., 3D Poisson eq.)</td></tr>
+<tr><td>LSCG</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>CG for rectangular least-square problem</td><td>Rectangular</td><td>Preconditionning</td>
+    <td>built-in, MPL2</td>
+    <td>Solve for min |A'Ax-b|^2 without forming A'A</td></tr>
 <tr><td>BiCGSTAB</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>Iterative stabilized bi-conjugate gradient</td><td>Square</td><td>Preconditionning</td>
     <td>built-in, MPL2</td>
     <td>To speedup the convergence, try it with the \ref IncompleteLUT preconditioner.</td></tr>