diff --git a/doc/snippets/Cwise_square.cpp b/doc/snippets/Cwise_square.cpp
new file mode 100644
index 0000000..f704c5e
--- /dev/null
+++ b/doc/snippets/Cwise_square.cpp
@@ -0,0 +1,2 @@
+Array3d v(2,3,4);
+cout << v.square() << endl;