update

1 files changed, 22 insertions, 0 deletions

diff --git a/eigen/doc/examples/Tutorial_ArrayClass_interop.cpp b/eigen/doc/examples/Tutorial_ArrayClass_interop.cpp
new file mode 100644
index 0000000..371f070
--- /dev/null
+++ b/eigen/doc/examples/Tutorial_ArrayClass_interop.cpp
@@ -0,0 +1,22 @@
+#include <Eigen/Dense>
+#include <iostream>
+
+using namespace Eigen;
+using namespace std;
+
+int main()
+{
+  MatrixXf m(2,2);
+  MatrixXf n(2,2);
+  MatrixXf result(2,2);
+
+  m << 1,2,
+       3,4;
+  n << 5,6,
+       7,8;
+  
+  result = (m.array() + 4).matrix() * m;
+  cout << "-- Combination 1: --" << endl << result << endl << endl;
+  result = (m.array() * n.array()).matrix() * m;
+  cout << "-- Combination 2: --" << endl << result << endl << endl;
+}