Unfortunately Q-less QR on sparse matrices is not possible at this moment because the C API to SPQR does not provide this functionality. You'd need to access the C++ API of SPQR to do this calculation.
On Mon, Sep 21, 2015, 15:57 Dominique Orban <dominique.or...@gmail.com> wrote: > Is it possible to compute the Q-less QR factorization of a sparse matrix > in Julia? In Matlab, you can write R = qr(A), but I don't see it in the > Julia documentation. Sorry if I missed it. > > Thanks. >
