* update redux section

* fix output precision to 3 for the snippets

1 files changed, 16 insertions, 0 deletions

diff --git a/doc/examples/tut_arithmetic_redux_basic.cpp b/doc/examples/tut_arithmetic_redux_basic.cpp
new file mode 100644
index 000000000..5632fb52e
--- /dev/null
+++ b/doc/examples/tut_arithmetic_redux_basic.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+#include <Eigen/Dense>
+
+using namespace std;
+int main()
+{
+  Eigen::Matrix2d mat;
+  mat << 1, 2,
+         3, 4;
+  cout << "Here is mat.sum():       " << mat.sum()       << endl;
+  cout << "Here is mat.prod():      " << mat.prod()      << endl;
+  cout << "Here is mat.mean():      " << mat.mean()      << endl;
+  cout << "Here is mat.minCoeff():  " << mat.minCoeff()  << endl;
+  cout << "Here is mat.maxCoeff():  " << mat.maxCoeff()  << endl;
+  cout << "Here is mat.trace():     " << mat.trace()     << endl;
+}