diff --git a/doc/snippets/MatrixBase_ones.cpp b/doc/snippets/MatrixBase_ones.cpp
new file mode 100644
index 0000000..02c767c
--- /dev/null
+++ b/doc/snippets/MatrixBase_ones.cpp
@@ -0,0 +1,2 @@
+cout << Matrix2d::Ones() << endl;
+cout << 6 * RowVector4i::Ones() << endl;