Dear petsc-users,
I have a 3x3 block system built as a single MatNest (with 9 Mats in it). I'd
like to treat this as a 2x2 system:
[ A B
C D ]
where A is 2x2 and precondition the A block with a schur complement. Since I
have a mat nest, the ISes for the three fields are just
On Mon, Dec 2, 2013 at 2:26 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
Dear petsc-users,
I have a 3x3 block system built as a single MatNest (with 9 Mats in it).
I'd like to treat this as a 2x2 system:
[ A B
C D ]
where A is 2x2 and precondition the A block with a
On 2 Dec 2013, at 12:23, Matthew Knepley knep...@gmail.com wrote:
On Mon, Dec 2, 2013 at 2:26 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
Dear petsc-users,
I have a 3x3 block system built as a single MatNest (with 9 Mats in it). I'd
like to treat this as a 2x2 system:
On Mon, Dec 2, 2013 at 6:31 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
On 2 Dec 2013, at 12:23, Matthew Knepley knep...@gmail.com wrote:
On Mon, Dec 2, 2013 at 2:26 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
Dear petsc-users,
I have a 3x3 block
On 2 Dec 2013, at 15:20, Matthew Knepley knep...@gmail.com wrote:
On Mon, Dec 2, 2013 at 6:31 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
On 2 Dec 2013, at 12:23, Matthew Knepley knep...@gmail.com wrote:
On Mon, Dec 2, 2013 at 2:26 AM, Lawrence Mitchell
On Mon, Dec 2, 2013 at 9:47 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
On 2 Dec 2013, at 15:20, Matthew Knepley knep...@gmail.com wrote:
On Mon, Dec 2, 2013 at 6:31 AM, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
On 2 Dec 2013, at 12:23, Matthew