Add cholesky's members to MatrixBase
Various documentation improvements including new snippets (AngleAxis and Cholesky)
diff --git a/doc/snippets/Cholesky_solve.cpp b/doc/snippets/Cholesky_solve.cpp
new file mode 100644
index 0000000..4f9ac9c
--- /dev/null
+++ b/doc/snippets/Cholesky_solve.cpp
@@ -0,0 +1,6 @@
+typedef Matrix<float,Dynamic,2> DataMatrix;
+// let's generate some samples on the 3D plane of equation z = 2x+3y (with some noise)
+DataMatrix samples = DataMatrix::random(12,2);
+VectorXf elevations = 2*samples.col(0) + 3*samples.col(1) + VectorXf::random(12)*0.1;
+// and let's solve samples * x = elevations in least square sense:
+cout << (samples.adjoint() * samples).cholesky().solve((samples.adjoint()*elevations).eval()) << endl;