[petsc-users] Problem with SNES

[Jed Brown]

On Sat, Aug 27, 2011 at 13:55, Milan Mitrovic <milan.v.mitrovic at gmail.com>wrote:

> [1]PETSC ERROR: --------------------- Error Message
> ------------------------------------
> [1]PETSC ERROR: Null argument, when expecting valid pointer!
> [1]PETSC ERROR: Null Object: Parameter # 2!
>
>
> how can I create the matrix without d_nnz and o_nnz?


Please paste the full error message.
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