--- a/liboctave/RowVector.cc
+++ b/liboctave/RowVector.cc
@@ -491,6 +491,27 @@
   return os;
 }
 
+istream&
+operator >> (istream& is, RowVector& a)
+{
+  int len = a.length();
+
+  if (len < 1)
+    is.clear (ios::badbit);
+  else
+    {
+      double tmp;
+      for (int i = 0; i < len; i++)
+        {
+          is >> tmp;
+          if (is)
+            a.elem (i) = tmp;
+          else
+            break;
+        }
+    }
+}
+
 /*
  * Complex Row Vector class
  */
@@ -1094,6 +1115,27 @@
   return os;
 }
 
+istream&
+operator >> (istream& is, ComplexRowVector& a)
+{
+  int len = a.length();
+
+  if (len < 1)
+    is.clear (ios::badbit);
+  else
+    {
+      Complex tmp;
+      for (int i = 0; i < len; i++)
+        {
+          is >> tmp;
+          if (is)
+            a.elem (i) = tmp;
+          else
+            break;
+        }
+    }
+}
+
 /*
 ;;; Local Variables: ***
 ;;; mode: C++ ***