"Smith, Barry F. via petsc-users" writes:
>We've found that the additive Schwarz methods (PCASM) or even block
>Jacobi PCBJACOBI often work well for network problems, better than
>GAMG. GAMG doesn't know anything about the structure of networks,
>it is for PDEs on meshes, so
> On Jul 14, 2019, at 5:22 AM, Yingjie Wu via petsc-users
> wrote:
>
> Respected PETSc developers:
> Hi,
> I have some questions about some functions of AMG and the construction time
> of Jacobian matrix in the process of using. Please help me to answer them.
>
> 1. I see some functions
PETSc has three AMG solvers: GAMG (native) and third party libraries hypre
and ML. This probably what you want.
On Sun, Jul 14, 2019 at 6:25 AM Yingjie Wu via petsc-users <
petsc-users@mcs.anl.gov> wrote:
> Respected PETSc developers:
> Hi,
> I have some questions about some functions of AMG and
Yingjie Wu via petsc-users writes:
> Respected PETSc developers:
> Hi,
> I have some questions about some functions of AMG and the construction time
> of Jacobian matrix in the process of using. Please help me to answer them.
>
> 1. I see some functions about AMG in the list of PETSc functions.
