\returns the number of coefficients, which is rows()*cols(). * \sa rows(), cols(), SizeAtCompileTime. */

\returns an \link MatrixBase Matrix \endlink expression of this array * \sa MatrixBase::array() */

Clear any existing decomposition * \sa rankUpdate(w,sigma) */

\brief Retruns the x-translation by value. **/

\returns true if the box is empty. */

\brief Retruns the y-translation by value. **/

workaround MSVC std::list implementation

\returns an \link ArrayBase Array \endlink expression of this matrix * \sa ArrayBase::matrix() */

\returns the matrix or vector obtained by evaluating this expression. * * Notice that in the case of a plain matrix or vector (not an expr

Return the elapsed time in seconds between the last start/stop pair */

\returns the coefficient value at given position \a row, \a col * This operation involes a log(rho*outer_size) binary search. */

\sa MatrixBase::setIdentity() */

PUBLIC SLOTS ***/

Resizes the matrix to a \a rows x \a cols matrix and initializes it to zero * \sa resizeNonZeros(Index), reserve(), setZero() */

\returns a view of the upper triangular matrix U */