Problem with rectangular matrices

[Jed Brown]

Matthew Knepley wrote:

> It not computing Ab. Its computing Ab, A^2b, A^3b, etc.

Of course, but that's all possible if A*b is computable.  Lisandro
demonstrated that A*x was fine, which it better be because of how x was
obtained.  Had he tried A*b, which is the first thing the KSP needs, the
problem would have been obvious.

Jed

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 260 bytes
Desc: OpenPGP digital signature
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20090526/e1d299f8/attachment.sig>