That's what I'm looking into and although it seems I've supposedly followed the correct steps, it still complains:
gsl: qr.c:112: ERROR: QR matrix must be square On Tue, Apr 24, 2012 at 6:05 PM, Rhys Ulerich <[email protected]>wrote: > > Suppose we have A of size 9x2 and b of size 9x1 > > How would I solve Ax = b for x using GSL? Which method to use? > > Probably gsl_linalg_QR_lssolve. You can read up on the QR routines at > http://www.gnu.org/software/gsl/manual/html_node/QR-Decomposition.html. > > - Rhys > -- alkar
