diff --git a/doc/snippets/Cwise_log.cpp b/doc/snippets/Cwise_log.cpp
new file mode 100644
index 0000000..f7aca72
--- /dev/null
+++ b/doc/snippets/Cwise_log.cpp
@@ -0,0 +1,2 @@
+Array3d v(1,2,3);
+cout << v.log() << endl;