[petsc-users] How to call a lapack routine in the petsc?

[Barry Smith]

> On Dec 11, 2014, at 9:33 PM, Fande Kong <fdkong.jd at gmail.com> wrote:
> 
> Hi all,
> 
> How to call a Lapack routine to solve a dense linear system? Any simple example?

   Create the Mat with MatCreateSeqDense() then create the usual KSP and use for the solver options -pc_type lu -ksp_type preonly

    See src/ksp/ksp/examples/tutorials/ex30.c


   Barry

> 
> Thanks,
>