\returns the number of rows of the represented matrix. */

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

\returns the \c w coefficient */

Only plain matrices/arrays, not expressions, may be resized; therefore the only useful resize methods are * Matrix::resize() and Array::resize()

\returns the number of rows. \sa cols() */

Preallocates \a reserveSize non zeros. * * Precondition: the matrix must be in compressed mode. */

Bug 907: workaround missing declarations of the following two functions in the ADK

\returns the number of columns. \sa rows() */

* Compute the symbolic and numeric factorization of the input sparse matrix. * The input matrix should be in column-major storage. */

\returns whether \c *this is in compressed form. */

\returns a read-only expression of the linear part of the transformation */

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

Sets all coefficients to zero. */

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

\returns a const expression of the diagonal coefficients. */

\returns a read-only expression of the translation vector of the transformation */

\returns the \c x coefficient */

Swaps the content of two sparse matrices of the same type. * This is a fast operation that simply swaps the underlying pointers and parameters.

\returns the \c y coefficient */

\returns the norm of the quaternion's coefficients * \sa QuaternionBase::squaredNorm(), MatrixBase::norm() */

\returns an expression of the \a i-th row of *this. Note that the numbering starts at 0. * * Example: \include MatrixBase_row.cpp * Output: \ver

Sets *this to the identity matrix. * This function also turns the matrix into compressed mode, and drop any reserved memory. */

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

\returns the \c z coefficient */

returns a * b + c, elementwise; see eigen/src/Core/arch/AVX/PacketMath.h

\sa MapBase::innerStride() */