Add examples for API documentation of MatrixBase::cwiseXxx() methods.
diff --git a/doc/snippets/MatrixBase_cwiseInverse.cpp b/doc/snippets/MatrixBase_cwiseInverse.cpp
new file mode 100644
index 0000000..23e08f7
--- /dev/null
+++ b/doc/snippets/MatrixBase_cwiseInverse.cpp
@@ -0,0 +1,4 @@
+MatrixXd m(2,3);
+m << 2, 0.5, 1,   
+     3, 0.25, 1;
+cout << m.cwiseInverse() << endl;