From 41113161041db17b01600bfcc39f71b2ba45f42c Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Sun, 1 Feb 2009 20:47:19 +0000
Subject: [PATCH] forgot to commit QR_solve snippet

---
 doc/snippets/QR_solve.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 doc/snippets/QR_solve.cpp

diff --git a/doc/snippets/QR_solve.cpp b/doc/snippets/QR_solve.cpp
new file mode 100644
index 000000000..7e629f851
--- /dev/null
+++ b/doc/snippets/QR_solve.cpp
@@ -0,0 +1,14 @@
+typedef Matrix<float,3,3> Matrix3x3;
+Matrix3x3 m = Matrix3x3::Random();
+Matrix3f y = Matrix3f::Random();
+cout << "Here is the matrix m:" << endl << m << endl;
+cout << "Here is the matrix y:" << endl << y << endl;
+Matrix3f x;
+if(m.qr().solve(y, &x))
+{
+  assert(y.isApprox(m*x));
+  cout << "Here is a solution x to the equation mx=y:" << endl << x << endl;
+}
+else
+  cout << "The equation mx=y does not have any solution." << endl;
+