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diff --git a/src/Eigen/src/Eigen2Support/VectorBlock.h b/src/Eigen/src/Eigen2Support/VectorBlock.h
new file mode 100644
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+++ b/src/Eigen/src/Eigen2Support/VectorBlock.h
@@ -0,0 +1,94 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
+// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef EIGEN2_VECTORBLOCK_H
+#define EIGEN2_VECTORBLOCK_H
+
+namespace Eigen { 
+
+/** \deprecated use DenseMase::head(Index) */
+template<typename Derived>
+inline VectorBlock<Derived>
+MatrixBase<Derived>::start(Index size)
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<Derived>(derived(), 0, size);
+}
+
+/** \deprecated use DenseMase::head(Index) */
+template<typename Derived>
+inline const VectorBlock<const Derived>
+MatrixBase<Derived>::start(Index size) const
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<const Derived>(derived(), 0, size);
+}
+
+/** \deprecated use DenseMase::tail(Index) */
+template<typename Derived>
+inline VectorBlock<Derived>
+MatrixBase<Derived>::end(Index size)
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<Derived>(derived(), this->size() - size, size);
+}
+
+/** \deprecated use DenseMase::tail(Index) */
+template<typename Derived>
+inline const VectorBlock<const Derived>
+MatrixBase<Derived>::end(Index size) const
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<const Derived>(derived(), this->size() - size, size);
+}
+
+/** \deprecated use DenseMase::head() */
+template<typename Derived>
+template<int Size>
+inline VectorBlock<Derived,Size>
+MatrixBase<Derived>::start()
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<Derived,Size>(derived(), 0);
+}
+
+/** \deprecated use DenseMase::head() */
+template<typename Derived>
+template<int Size>
+inline const VectorBlock<const Derived,Size>
+MatrixBase<Derived>::start() const
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<const Derived,Size>(derived(), 0);
+}
+
+/** \deprecated use DenseMase::tail() */
+template<typename Derived>
+template<int Size>
+inline VectorBlock<Derived,Size>
+MatrixBase<Derived>::end()
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<Derived, Size>(derived(), size() - Size);
+}
+
+/** \deprecated use DenseMase::tail() */
+template<typename Derived>
+template<int Size>
+inline const VectorBlock<const Derived,Size>
+MatrixBase<Derived>::end() const
+{
+  EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived)
+  return VectorBlock<const Derived, Size>(derived(), size() - Size);
+}
+
+} // end namespace Eigen
+
+#endif // EIGEN2_VECTORBLOCK_H