\returns the number of rows */

\returns the number of rows */

\returns a vector expression of the \a i -th column, * only the meaningful part is returned. * \warning the internal storage must be colum

\returns a vector expression of the \a i -th column, * only the meaningful part is returned. * \warning the internal storage must be colum

\returns the value of the current coefficient.

\returns the value of the current coefficient.

\returns the row index of the current coefficient.

\returns the row index of the current coefficient.

\returns the number of transpositions */

\returns the number of transpositions */

\returns an expression of the transposed of the factored matrix. * * A typical usage is to solve for the transposed problem A^T x = b:

\returns an expression of the transposed of the factored matrix. * * A typical usage is to solve for the transposed problem A^T x = b:

\returns the value of the matrix at position \a i, \a j * This function returns Scalar(0) if the element is an explicit \em zero */

\returns the value of the matrix at position \a i, \a j * This function returns Scalar(0) if the element is an explicit \em zero */

\returns an expression of the adjoint of the factored matrix * * A typical usage is to solve for the adjoint problem A' x = b: * \co

\returns an expression of the adjoint of the factored matrix * * A typical usage is to solve for the adjoint problem A' x = b: * \co

returns 1 if success, 0 if failure ==> nothing done*/

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

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

\returns a const pointer to the array of the starting positions of the inner vectors. * This function is aimed at interoperability with other li

\returns a const pointer to the array of the starting positions of the inner vectors. * This function is aimed at interoperability with other li