add tutorial page 1 - the Matrix class

 + 3 examples

1 files changed, 12 insertions, 0 deletions

diff --git a/doc/examples/tut_matrix_resize_fixed_size.cpp b/doc/examples/tut_matrix_resize_fixed_size.cpp
new file mode 100644
index 000000000..dcbdfa783
--- /dev/null
+++ b/doc/examples/tut_matrix_resize_fixed_size.cpp
@@ -0,0 +1,12 @@
+#include <iostream>
+#include <Eigen/Dense>
+
+using namespace Eigen;
+
+int main()
+{
+  Matrix4d m;
+  m.resize(4,4); // no operation
+  std::cout << "The matrix m is of size "
+            << m.rows() << "x" << m.cols() << std::endl;
+}