From 82e2e8b13a9c1bc59ec7f1c4618e83bd971c4123 Mon Sep 17 00:00:00 2001
From: Carlos Becker <carlosbecker@gmail.com>
Date: Mon, 28 Jun 2010 18:42:09 +0100
Subject: Modified Array Class tutorial, added examples

---
 doc/examples/Tutorial_ArrayClass_interop.cpp | 38 ++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 doc/examples/Tutorial_ArrayClass_interop.cpp

(limited to 'doc/examples/Tutorial_ArrayClass_interop.cpp')

diff --git a/doc/examples/Tutorial_ArrayClass_interop.cpp b/doc/examples/Tutorial_ArrayClass_interop.cpp
new file mode 100644
index 000000000..72ac5d307
--- /dev/null
+++ b/doc/examples/Tutorial_ArrayClass_interop.cpp
@@ -0,0 +1,38 @@
+#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);
+
+  //initialize matrices
+  m << 1,2,
+       3,4;
+
+  n << 5,6,
+       7,8;
+  
+  // mix of array and matrix operations
+  //   first coefficient-wise addition
+  //   then the result is used with matrix multiplication
+  result = (m.array() + 4).matrix() * m;
+
+  cout << "-- Combination 1: --" << endl
+    << result << endl << endl;
+
+
+  // mix of array and matrix operations
+  //   first coefficient-wise multiplication
+  //   then the result is used with matrix multiplication
+  result = (m.array() * n.array()).matrix() * m;
+
+  cout << "-- Combination 2: --" << endl
+    << result << endl << endl;
+
+}
-- 
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