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diff --git a/eigen/Eigen/src/Eigen2Support/LU.h b/eigen/Eigen/src/Eigen2Support/LU.h
deleted file mode 100644
index 49f19ad..0000000
--- a/eigen/Eigen/src/Eigen2Support/LU.h
+++ /dev/null
@@ -1,120 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-// Copyright (C) 2011 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_LU_H
-#define EIGEN2_LU_H
-
-namespace Eigen { 
-
-template<typename MatrixType>
-class LU : public FullPivLU<MatrixType>
-{
-  public:
-
-    typedef typename MatrixType::Scalar Scalar;
-    typedef typename NumTraits<typename MatrixType::Scalar>::Real RealScalar;
-    typedef Matrix<int, 1, MatrixType::ColsAtCompileTime, MatrixType::Options, 1, MatrixType::MaxColsAtCompileTime> IntRowVectorType;
-    typedef Matrix<int, MatrixType::RowsAtCompileTime, 1, MatrixType::Options, MatrixType::MaxRowsAtCompileTime, 1> IntColVectorType;
-    typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime, MatrixType::Options, 1, MatrixType::MaxColsAtCompileTime> RowVectorType;
-    typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1, MatrixType::Options, MatrixType::MaxRowsAtCompileTime, 1> ColVectorType;
-
-    typedef Matrix<typename MatrixType::Scalar,
-                  MatrixType::ColsAtCompileTime, // the number of rows in the "kernel matrix" is the number of cols of the original matrix
-                                                 // so that the product "matrix * kernel = zero" makes sense
-                  Dynamic,                       // we don't know at compile-time the dimension of the kernel
-                  MatrixType::Options,
-                  MatrixType::MaxColsAtCompileTime, // see explanation for 2nd template parameter
-                  MatrixType::MaxColsAtCompileTime // the kernel is a subspace of the domain space, whose dimension is the number
-                                                   // of columns of the original matrix
-    > KernelResultType;
-
-    typedef Matrix<typename MatrixType::Scalar,
-                   MatrixType::RowsAtCompileTime, // the image is a subspace of the destination space, whose dimension is the number
-                                                  // of rows of the original matrix
-                   Dynamic,                       // we don't know at compile time the dimension of the image (the rank)
-                   MatrixType::Options,
-                   MatrixType::MaxRowsAtCompileTime, // the image matrix will consist of columns from the original matrix,
-                   MatrixType::MaxColsAtCompileTime  // so it has the same number of rows and at most as many columns.
-    > ImageResultType;
-
-    typedef FullPivLU<MatrixType> Base;
-
-    template<typename T>
-    explicit LU(const T& t) : Base(t), m_originalMatrix(t) {}
-
-    template<typename OtherDerived, typename ResultType>
-    bool solve(const MatrixBase<OtherDerived>& b, ResultType *result) const
-    {
-      *result = static_cast<const Base*>(this)->solve(b);
-      return true;
-    }
-
-    template<typename ResultType>
-    inline void computeInverse(ResultType *result) const
-    {
-      solve(MatrixType::Identity(this->rows(), this->cols()), result);
-    }
-    
-    template<typename KernelMatrixType>
-    void computeKernel(KernelMatrixType *result) const
-    {
-      *result = static_cast<const Base*>(this)->kernel();
-    }
-    
-    template<typename ImageMatrixType>
-    void computeImage(ImageMatrixType *result) const
-    {
-      *result = static_cast<const Base*>(this)->image(m_originalMatrix);
-    }
-    
-    const ImageResultType image() const
-    {
-      return static_cast<const Base*>(this)->image(m_originalMatrix);
-    }
-    
-    const MatrixType& m_originalMatrix;
-};
-
-#if EIGEN2_SUPPORT_STAGE < STAGE20_RESOLVE_API_CONFLICTS
-/** \lu_module
-  *
-  * Synonym of partialPivLu().
-  *
-  * \return the partial-pivoting LU decomposition of \c *this.
-  *
-  * \sa class PartialPivLU
-  */
-template<typename Derived>
-inline const LU<typename MatrixBase<Derived>::PlainObject>
-MatrixBase<Derived>::lu() const
-{
-  return LU<PlainObject>(eval());
-}
-#endif
-
-#ifdef EIGEN2_SUPPORT
-/** \lu_module
-  *
-  * Synonym of partialPivLu().
-  *
-  * \return the partial-pivoting LU decomposition of \c *this.
-  *
-  * \sa class PartialPivLU
-  */
-template<typename Derived>
-inline const LU<typename MatrixBase<Derived>::PlainObject>
-MatrixBase<Derived>::eigen2_lu() const
-{
-  return LU<PlainObject>(eval());
-}
-#endif
-
-} // end namespace Eigen
-
-#endif // EIGEN2_LU_H