[ublas] R: solving a linear system Ax=b with A singular

From: Marchesi Mauro (Marchesi_at_[hidden])
Date: 2007-06-04 03:25:00

On Friday 01 June 2007 17:15, Gunter Winkler wrote:
> If you are looking for solutions to over/underdetermined systems
> you have to solve an auxiliary problem that has a unique solution.
> [...] both can be done by using a QR decomposition and solving the
> so called "normal equation" [...] QR is not included in ublas, yet

Thank you for your answer, and for reminding me some issues about
numerical linear algebra.
However, maybe I didn't asked my question clearly: is there a way of
solving an underdetermined system *by using the uBLAS library*?

Thank you in advance,
Mauro Marchesi