té D3- Conservation <90j
De :David Knezevic
A : Hong ,
Cc :PETSc users list
Date : 09/04/2015 04:17
Objet : Re: [petsc-users] Exploiting symmetry with direct solvers
Envoyé par :
On Wed, Apr 8, 2015 at 9:28 PM, Hong wrote:
David ,
I'm curious about how to do a sy
On Wed, Apr 8, 2015 at 11:06 PM, Hong wrote:
> David:
>
>>
Mumps supports Cholesky factorization for symmetric, and symmetric+spd
>>> matrices. You may consult mumps user manual.
>>>
>>
>>
>> OK, thanks. But I was also wondering about the PETSc interface to MUMPS.
>>
>> I consulted the MUMP
David:
>
>>> Mumps supports Cholesky factorization for symmetric, and symmetric+spd
>> matrices. You may consult mumps user manual.
>>
>
>
> OK, thanks. But I was also wondering about the PETSc interface to MUMPS.
>
> I consulted the MUMPS manual, but it just says that you need to specify
> "SYM=
On Wed, Apr 8, 2015 at 9:28 PM, Hong wrote:
> David ,
>
>> I'm curious about how to do a symmetric LDL^T factorization (instead of
>> LU) with MUMPS and SuperLU. Based on this example:
>>
>>
>> http://www.mcs.anl.gov/petsc/petsc-3.4/src/ksp/ksp/examples/tutorials/ex52.c.html
>>
>> my understandin
David ,
> I'm curious about how to do a symmetric LDL^T factorization (instead of
> LU) with MUMPS and SuperLU. Based on this example:
>
>
> http://www.mcs.anl.gov/petsc/petsc-3.4/src/ksp/ksp/examples/tutorials/ex52.c.html
>
> my understanding is as follows:
>
> - With MUMPS I gather that we need
I'm curious about how to do a symmetric LDL^T factorization (instead of LU)
with MUMPS and SuperLU. Based on this example:
http://www.mcs.anl.gov/petsc/petsc-3.4/src/ksp/ksp/examples/tutorials/ex52.c.html
my understanding is as follows:
- With MUMPS I gather that we need to specify:
MatSetOptio
